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42 vulnerabilities found for zld by zyxel
CVE-2025-9133 (GCVE-0-2025-9133)
Vulnerability from nvd – Published: 2025-10-21 01:57 – Updated: 2026-02-26 16:57
VLAI
Summary
A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker—who has completed only the first stage of the two-factor authentication (2FA) process—to view and download the system configuration from an affected device.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions from V4.32 through V5.40
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions from V4.50 through V5.40
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions from V4.16 through V5.40
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions from V4.16 through V5.40
|
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CVE-2025-8078 (GCVE-0-2025-8078)
Vulnerability from nvd – Published: 2025-10-21 01:49 – Updated: 2026-02-26 16:57
VLAI
Summary
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on the affected device by passing a crafted string as an argument to a CLI command.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions from V4.32 through V5.40
|
|
| Zyxel | USG FLEX series firmware |
Affected:
version from V4.50 through V5.40
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions from V4.16 through V5.40
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions from V4.16 through V5.40
|
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CVE-2024-11667 (GCVE-0-2024-11667)
Vulnerability from nvd – Published: 2024-11-27 09:39 – Updated: 2025-10-21 22:55Summary
A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.
Severity
7.5 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V5.10 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V5.10 through V5.38
|
|
| zyxel | usg_flex_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100hp_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200hp_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_60ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | atp_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:-:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg20-vpn_firmware |
Affected:
5.10 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20-vpn_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.10 , < 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_50w_firmware:-:*:*:*:*:*:*:* |
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CVE-2024-42061 (GCVE-0-2024-42061)
Vulnerability from nvd – Published: 2024-09-03 01:59 – Updated: 2024-09-03 13:48
VLAI
Summary
A reflected cross-site scripting (XSS) vulnerability in the CGI program "dynamic_script.cgi" of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. The attacker could obtain browser-based information if the malicious script is executed on the victim’s browser.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V4.16 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V4.16 through V5.38
|
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CVE-2024-7203 (GCVE-0-2024-7203)
Vulnerability from nvd – Published: 2024-09-03 01:36 – Updated: 2024-09-03 13:55
VLAI
Summary
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.60 through V5.38 and USG FLEX series firmware versions from V4.60 through V5.38 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device by executing a crafted CLI command.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.60 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.60 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.60 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.60 , ≤ 5.38
(custom)
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CVE-2024-6343 (GCVE-0-2024-6343)
Vulnerability from nvd – Published: 2024-09-03 01:28 – Updated: 2024-09-03 13:47
VLAI
Summary
A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V4.16 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V4.16 through V5.38
|
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CVE-2024-42060 (GCVE-0-2024-42060)
Vulnerability from nvd – Published: 2024-09-03 01:54 – Updated: 2024-09-03 13:43
VLAI
Summary
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to execute some OS commands on an affected device by uploading a crafted internal user agreement file to the vulnerable device.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V4.16 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V4.16 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.32 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.5 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
4.16 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-42059 (GCVE-0-2024-42059)
Vulnerability from nvd – Published: 2024-09-03 01:51 – Updated: 2024-09-03 13:53
VLAI
Summary
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V5.00 through V5.38, USG FLEX series firmware versions from V5.00 through V5.38, USG FLEX 50(W) series firmware versions from V5.00 through V5.38, and USG20(W)-VPN series firmware versions from V5.00 through V5.38 could allow an authenticated attacker with administrator privileges to execute some OS commands on an affected device by uploading a crafted compressed language file via FTP.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V5.00 through V5.38
|
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | atp800_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
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CVE-2024-42058 (GCVE-0-2024-42058)
Vulnerability from nvd – Published: 2024-09-03 01:47 – Updated: 2024-09-03 13:54
VLAI
Summary
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V5.20 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V5.20 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.32 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.5 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.20 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-42057 (GCVE-0-2024-42057)
Vulnerability from nvd – Published: 2024-09-03 01:43 – Updated: 2024-09-03 13:54
VLAI
Summary
A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an unauthenticated attacker to execute some OS commands on an affected device by sending a crafted username to the vulnerable device. Note that this attack could be successful only if the device was configured in User-Based-PSK authentication mode and a valid user with a long username exceeding 28 characters exists.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V4.16 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V4.16 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.32 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.5 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
4.16 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-5960 (GCVE-0-2023-5960)
Vulnerability from nvd – Published: 2023-11-28 02:05 – Updated: 2024-08-02 08:14
VLAI
Summary
An improper privilege management vulnerability in the hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.37 and VPN series firmware versions 4.30 through 5.37 could allow an authenticated local attacker to access the system files on an affected device.
Severity
5.5 (Medium)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG FLEX series firmware |
Affected:
versions 4.50 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
versions 4.30 through 5.37
|
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CVE-2023-5797 (GCVE-0-2023-5797)
Vulnerability from nvd – Published: 2023-11-28 02:00 – Updated: 2024-12-02 19:31
VLAI
Summary
An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, VPN series firmware versions 4.30 through 5.37, NWA50AX firmware version 6.29(ABYW.2), WAC500 firmware version 6.65(ABVS.1), WAX300H firmware version 6.60(ACHF.1), and WBE660S firmware version 6.65(ACGG.1), could allow an authenticated local attacker to access the administrator’s logs on an affected device.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions 4.32 through 5.37
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions 4.50 through 5.37
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
versions 4.30 through 5.37
|
|
| Zyxel | NWA50AX firmware |
Affected:
6.29(ABYW.2)
|
|
| Zyxel | WAC500 firmware |
Affected:
6.65(ABVS.1)
|
|
| Zyxel | WAX300H firmware |
Affected:
6.60(ACHF.1)
|
|
| Zyxel | WBE660S firmware |
Affected:
6.65(ACGG.1)
|
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CVE-2023-5650 (GCVE-0-2023-5650)
Vulnerability from nvd – Published: 2023-11-28 01:53 – Updated: 2024-08-02 08:07
VLAI
Summary
An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to modify the URL of the registration page in the web GUI of an affected device.
Severity
5.5 (Medium)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions 4.32 through 5.37
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions 4.50 through 5.37
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
versions 4.30 through 5.37
|
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CVE-2023-4398 (GCVE-0-2023-4398)
Vulnerability from nvd – Published: 2023-11-28 01:48 – Updated: 2024-10-17 17:38
VLAI
Summary
An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions on an affected device by sending a crafted IKE packet.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions 4.32 through 5.37
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions 4.50 through 5.37
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
versions 4.30 through 5.37
|
|
| zyxel | atp_firmware |
Affected:
4.32 , ≤ 5.37
(custom)
cpe:2.3:o:zyxel:atp_firmware:0:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_firmware |
Affected:
4.50 , ≤ 5.37
(custom)
cpe:2.3:o:zyxel:usg_flex_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
4.16 , ≤ 5.37
(custom)
cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg20w-vpn_firmware |
Affected:
4.16 , ≤ 5.37
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | vpn_firmware |
Affected:
5.30 , ≤ 5.37
(custom)
cpe:2.3:o:zyxel:vpn_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-4397 (GCVE-0-2023-4397)
Vulnerability from nvd – Published: 2023-11-28 01:42 – Updated: 2024-08-02 07:24
VLAI
Summary
A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.
Severity
4.4 (Medium)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.37
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.37
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.37
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.37
|
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CVE-2023-37926 (GCVE-0-2023-37926)
Vulnerability from nvd – Published: 2023-11-28 01:37 – Updated: 2024-08-02 17:23
VLAI
Summary
A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to cause denial-of-service (DoS) conditions by executing the CLI command to dump system logs on an affected device.
Severity
5.5 (Medium)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions 4.32 through 5.37
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions 4.50 through 5.37
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
versions 4.30 through 5.37
|
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CVE-2023-37925 (GCVE-0-2023-37925)
Vulnerability from nvd – Published: 2023-11-28 01:30 – Updated: 2024-08-02 17:23
VLAI
Summary
An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, VPN series firmware versions 4.30 through 5.37, NWA50AX firmware version 6.29(ABYW.2), WAC500 firmware version 6.65(ABVS.1), WAX300H firmware version 6.60(ACHF.1), and WBE660S firmware version 6.65(ACGG.1), could allow an authenticated local attacker to access system files on an affected device.
Severity
5.5 (Medium)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions 4.32 through 5.37
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions 4.50 through 5.37
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
versions 4.30 through 5.37
|
|
| Zyxel | NWA50AX firmware |
Affected:
6.29(ABYW.2)
|
|
| Zyxel | WAC500 firmware |
Affected:
6.65(ABVS.1)
|
|
| Zyxel | WAX300H firmware |
Affected:
6.60(ACHF.1)
|
|
| Zyxel | WBE660S firmware |
Affected:
6.65(ACGG.1)
|
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CVE-2023-35139 (GCVE-0-2023-35139)
Vulnerability from nvd – Published: 2023-11-28 01:22 – Updated: 2024-08-02 16:23
VLAI
Summary
A cross-site scripting (XSS) vulnerability in the CGI program of the Zyxel ATP series firmware versions 5.10 through 5.37, USG FLEX series firmware versions 5.00 through 5.37, USG FLEX 50(W) series firmware versions 5.10 through 5.37, USG20(W)-VPN series firmware versions 5.10 through 5.37, and VPN series firmware versions 5.00 through 5.37, could allow an unauthenticated LAN-based attacker to store malicious scripts in a vulnerable device. A successful XSS attack could then result in the stored malicious scripts being executed to steal cookies when the user visits the specific CGI used for dumping ZTP logs.
Severity
5.2 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions 5.10 through 5.37
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions 5.00 through 5.37
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions 5.10 through 5.37
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions 5.10 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
versions 5.00 through 5.37
|
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CVE-2023-35136 (GCVE-0-2023-35136)
Vulnerability from nvd – Published: 2023-11-28 01:16 – Updated: 2025-06-05 13:54
VLAI
Summary
An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions 4.32 through 5.37
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions 4.50 through 5.37
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions 4.16 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
versions 4.30 through 5.37
|
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CVE-2025-9133 (GCVE-0-2025-9133)
Vulnerability from cvelistv5 – Published: 2025-10-21 01:57 – Updated: 2026-02-26 16:57
VLAI
Summary
A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker—who has completed only the first stage of the two-factor authentication (2FA) process—to view and download the system configuration from an affected device.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions from V4.32 through V5.40
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions from V4.50 through V5.40
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions from V4.16 through V5.40
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions from V4.16 through V5.40
|
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CVE-2025-8078 (GCVE-0-2025-8078)
Vulnerability from cvelistv5 – Published: 2025-10-21 01:49 – Updated: 2026-02-26 16:57
VLAI
Summary
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on the affected device by passing a crafted string as an argument to a CLI command.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions from V4.32 through V5.40
|
|
| Zyxel | USG FLEX series firmware |
Affected:
version from V4.50 through V5.40
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions from V4.16 through V5.40
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions from V4.16 through V5.40
|
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CVE-2024-11667 (GCVE-0-2024-11667)
Vulnerability from cvelistv5 – Published: 2024-11-27 09:39 – Updated: 2025-10-21 22:55Summary
A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.
Severity
7.5 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V5.10 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V5.10 through V5.38
|
|
| zyxel | usg_flex_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
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|
| zyxel | atp_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:-:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg20-vpn_firmware |
Affected:
5.10 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20-vpn_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.10 , < 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_50w_firmware:-:*:*:*:*:*:*:* |
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CVE-2024-42061 (GCVE-0-2024-42061)
Vulnerability from cvelistv5 – Published: 2024-09-03 01:59 – Updated: 2024-09-03 13:48
VLAI
Summary
A reflected cross-site scripting (XSS) vulnerability in the CGI program "dynamic_script.cgi" of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. The attacker could obtain browser-based information if the malicious script is executed on the victim’s browser.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V4.16 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V4.16 through V5.38
|
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CVE-2024-42060 (GCVE-0-2024-42060)
Vulnerability from cvelistv5 – Published: 2024-09-03 01:54 – Updated: 2024-09-03 13:43
VLAI
Summary
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to execute some OS commands on an affected device by uploading a crafted internal user agreement file to the vulnerable device.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V4.16 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V4.16 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.32 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.5 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
4.16 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-42059 (GCVE-0-2024-42059)
Vulnerability from cvelistv5 – Published: 2024-09-03 01:51 – Updated: 2024-09-03 13:53
VLAI
Summary
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V5.00 through V5.38, USG FLEX series firmware versions from V5.00 through V5.38, USG FLEX 50(W) series firmware versions from V5.00 through V5.38, and USG20(W)-VPN series firmware versions from V5.00 through V5.38 could allow an authenticated attacker with administrator privileges to execute some OS commands on an affected device by uploading a crafted compressed language file via FTP.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V5.00 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V5.00 through V5.38
|
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | atp800_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
5.00 , ≤ 5.38
(custom)
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CVE-2024-42058 (GCVE-0-2024-42058)
Vulnerability from cvelistv5 – Published: 2024-09-03 01:47 – Updated: 2024-09-03 13:54
VLAI
Summary
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V5.20 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V5.20 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.32 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.5 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.20 , ≤ 5.38
(custom)
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CVE-2024-42057 (GCVE-0-2024-42057)
Vulnerability from cvelistv5 – Published: 2024-09-03 01:43 – Updated: 2024-09-03 13:54
VLAI
Summary
A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an unauthenticated attacker to execute some OS commands on an affected device by sending a crafted username to the vulnerable device. Note that this attack could be successful only if the device was configured in User-Based-PSK authentication mode and a valid user with a long username exceeding 28 characters exists.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V4.16 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V4.16 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.32 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.5 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
4.16 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-7203 (GCVE-0-2024-7203)
Vulnerability from cvelistv5 – Published: 2024-09-03 01:36 – Updated: 2024-09-03 13:55
VLAI
Summary
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.60 through V5.38 and USG FLEX series firmware versions from V4.60 through V5.38 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device by executing a crafted CLI command.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.60 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.60 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.60 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.60 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-6343 (GCVE-0-2024-6343)
Vulnerability from cvelistv5 – Published: 2024-09-03 01:28 – Updated: 2024-09-03 13:47
VLAI
Summary
A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V4.16 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V4.16 through V5.38
|
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CVE-2023-5960 (GCVE-0-2023-5960)
Vulnerability from cvelistv5 – Published: 2023-11-28 02:05 – Updated: 2024-08-02 08:14
VLAI
Summary
An improper privilege management vulnerability in the hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.37 and VPN series firmware versions 4.30 through 5.37 could allow an authenticated local attacker to access the system files on an affected device.
Severity
5.5 (Medium)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG FLEX series firmware |
Affected:
versions 4.50 through 5.37
|
|
| Zyxel | VPN series firmware |
Affected:
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