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28 vulnerabilities found for usg_2200-vpn_firmware by zyxel
CVE-2023-34141 (GCVE-0-2023-34141)
Vulnerability from nvd – Published: 2023-07-17 17:56 – Updated: 2024-10-29 16:06
VLAI
EPSS
VEX
Summary
A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series firmware versions 5.00 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the managed AP list in advance.
Severity
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
14 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | NXC2500 firmware |
Affected:
6.10(AAIG.0) through 6.10(AAIG.3)
|
|
| Zyxel | NXC5500 firmware |
Affected:
6.10(AAOS.0) through 6.10(AAOS.4)
|
|
| zyxel | atp |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:h:zyxel:atp:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:h:zyxel:usg_flex:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:o:zyxel:usg_flex_50w_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg20w-vpn_firmware |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | vpn_firmware |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:o:zyxel:vpn_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | nxc2500_firmware |
Affected:
6.10(AAIG.0) , ≤ 6.10(AAIG.3)
(custom)
cpe:2.3:o:zyxel:nxc2500_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nxc5500_firmware |
Affected:
6.10(AAOS.0) , ≤ 6.10(AAOS.4)
(custom)
cpe:2.3:o:zyxel:nxc5500_firmware:-:*:*:*:*:*:*:* |
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CVE-2023-34140 (GCVE-0-2023-34140)
Vulnerability from nvd – Published: 2023-07-17 17:49 – Updated: 2024-10-21 19:42
VLAI
EPSS
VEX
Summary
A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2, VPN series firmware versions 4.30 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to cause denial of service (DoS) conditions by sending a crafted request to the CAPWAP daemon.
Severity
6.5 (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
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
4.16 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
4.16 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.36 Patch 2
|
|
| Zyxel | NXC2500 firmware |
Affected:
6.10(AAIG.0) through 6.10(AAIG.3)
|
|
| Zyxel | NXC5500 firmware |
Affected:
6.10(AAOS.0) through 6.10(AAOS.4)
|
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CVE-2023-34139 (GCVE-0-2023-34139)
Vulnerability from nvd – Published: 2023-07-17 17:36 – Updated: 2024-10-29 16:19
VLAI
EPSS
VEX
Summary
A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.
Severity
8.8 (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 | USG FLEX series firmware |
Affected:
4.50 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
4.20 through 5.36 Patch 2
|
|
| zyxel | usg_flex_firmware |
Affected:
4.50 , ≤ 5.36_Patch-2
(custom)
cpe:2.3:o:zyxel:usg_flex_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | vpn_firmware |
Affected:
4.20 , ≤ 5.36_Patch-2
(custom)
cpe:2.3:o:zyxel:vpn_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-34138 (GCVE-0-2023-34138)
Vulnerability from nvd – Published: 2023-07-17 17:31 – Updated: 2024-10-30 18:02
VLAI
EPSS
VEX
Summary
A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.60 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.60 through 5.36 Patch 2, and VPN series firmware versions 4.60 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the list of trusted RADIUS clients in advance.
Severity
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
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| zyxel | atp_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:atp_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:usg_flex_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:usg_flex_50w_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg20w-vpn_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | vpn_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:vpn_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-33012 (GCVE-0-2023-33012)
Vulnerability from nvd – Published: 2023-07-17 17:23 – Updated: 2025-03-05 18:48
VLAI
EPSS
VEX
Summary
A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted GRE configuration when the cloud management mode is enabled.
Severity
8.8 (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
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
5.00 through 5.36 Patch 2
|
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CVE-2023-33011 (GCVE-0-2023-33011)
Vulnerability from nvd – Published: 2023-07-17 17:15 – Updated: 2024-11-07 19:08
VLAI
EPSS
VEX
Summary
A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| zyxel | vpn_series_firmware |
Affected:
5.00 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:vpn_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | atp100_firmware |
Affected:
5.10 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_series_firmware |
Affected:
5.0.0 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:usg_flex_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50\/w\/_series_firmware |
Affected:
5.10 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:usg_flex_50\/w\/_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg20w-vpn_firmware |
Affected:
5.10 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-28767 (GCVE-0-2023-28767)
Vulnerability from nvd – Published: 2023-07-17 16:59 – Updated: 2024-11-07 19:14
VLAI
EPSS
VEX
Summary
The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36,
USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.
Severity
8.8 (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
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.10 through 5.36
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.00 through 5.36
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.10 through 5.36
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.10 through 5.36
|
|
| Zyxel | VPN series firmware |
Affected:
5.00 through 5.36
|
|
| zyxel | atp_series_firmware |
Affected:
5.10 , ≤ 5.36
(custom)
cpe:2.3:o:zyxel:atp_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_series_firmware |
Affected:
5.0.0 , ≤ 5.36
(custom)
cpe:2.3:o:zyxel:usg_flex_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50\/w\/_series_firmware |
Affected:
5.10 , ≤ 5.36
(custom)
cpe:2.3:o:zyxel:usg_flex_50\/w\/_series_firmware:*:*:*:*:*:*:*:* |
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CVE-2022-30526 (GCVE-0-2022-30526)
Vulnerability from nvd – Published: 2022-07-19 05:45 – Updated: 2024-08-03 06:48
VLAI
EPSS
VEX
Summary
A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.
Severity
7.8 (High)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/support/Zyxel-security-advi… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/168202/Zyxel… | x_refsource_MISC |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG FLEX 100(W) firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 200 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 500 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 700 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.30
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.30
|
|
| Zyxel | USG FLEX 50(W) firmware |
Affected:
4.16 through 5.30
|
|
| Zyxel | USG 20(W)-VPN firmware |
Affected:
4.16 through 5.30
|
|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.09 through 4.72
|
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CVE-2022-2030 (GCVE-0-2022-2030)
Vulnerability from nvd – Published: 2022-07-19 05:55 – Updated: 2024-08-03 00:24
VLAI
EPSS
VEX
Summary
A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.
Severity
6.5 (Medium)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/support/Zyxel-security-advi… | x_refsource_CONFIRM |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG FLEX 100(W) firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 200 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 500 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 700 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.30
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.30
|
|
| Zyxel | USG FLEX 50(W) firmware |
Affected:
4.16 through 5.30
|
|
| Zyxel | USG 20(W)-VPN firmware |
Affected:
4.16 through 5.30
|
|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.11 through 4.72
|
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CVE-2022-26532 (GCVE-0-2022-26532)
Vulnerability from nvd – Published: 2022-05-24 05:20 – Updated: 2024-08-03 05:03
VLAI
EPSS
VEX
Summary
A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to execute arbitrary OS commands by including crafted arguments to the CLI command.
Severity
7.8 (High)
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/support/multiple-vulnerabil… | x_refsource_CONFIRM |
| http://seclists.org/fulldisclosure/2022/Jun/15 | mailing-listx_refsource_FULLDISC |
| http://packetstormsecurity.com/files/167464/Zyxel… | x_refsource_MISC |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.09 through 4.71
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.21
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.21
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.21
|
|
| Zyxel | NSG series firmware |
Affected:
1.00 through 1.33 Patch 4
|
|
| Zyxel | NXC2500 firmware |
Affected:
<= 6.10(AAIG.3)
|
|
| Zyxel | NAP203 firmware |
Affected:
<= 6.25(ABFA.7)
|
|
| Zyxel | NWA50AX firmware |
Affected:
<= 6.25(ABYW.5)
|
|
| Zyxel | WAC500 firmware |
Affected:
<= 6.30(ABVS.2)
|
|
| Zyxel | WAX510D firmware |
Affected:
<= 6.30(ABTF.2)
|
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CVE-2022-26531 (GCVE-0-2022-26531)
Vulnerability from nvd – Published: 2022-05-24 00:00 – Updated: 2024-08-03 05:03
VLAI
EPSS
VEX
Summary
Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to cause a buffer overflow or a system crash via a crafted payload.
Severity
6.1 (Medium)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.09 through 4.71
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.21
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.21
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.21
|
|
| Zyxel | NSG series firmware |
Affected:
1.00 through 1.33 Patch 4
|
|
| Zyxel | NXC2500 firmware |
Affected:
<= 6.10(AAIG.3)
|
|
| Zyxel | NAP203 firmware |
Affected:
<= 6.25(ABFA.7)
|
|
| Zyxel | NWA50AX firmware |
Affected:
<= 6.25(ABYW.5)
|
|
| Zyxel | WAC500 firmware |
Affected:
<= 6.30(ABVS.2)
|
|
| Zyxel | WAX510D firmware |
Affected:
<= 6.30(ABTF.2)
|
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CVE-2022-0910 (GCVE-0-2022-0910)
Vulnerability from nvd – Published: 2022-05-24 02:20 – Updated: 2024-08-02 23:47
VLAI
EPSS
VEX
Summary
A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, and VPN series firmware versions 4.32 through 5.21, that could allow an authenticated attacker to bypass the second authentication phase to connect the IPsec VPN server even though the two-factor authentication (2FA) was enabled.
Severity
6.5 (Medium)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/support/multiple-vulnerabil… | x_refsource_CONFIRM |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.32 through 4.71
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.21
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.21
|
|
| Zyxel | VPN series firmware |
Affected:
4.32 through 5.21
|
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CVE-2022-0734 (GCVE-0-2022-0734)
Vulnerability from nvd – Published: 2022-05-24 02:10 – Updated: 2024-08-02 23:40
VLAI
EPSS
VEX
Summary
A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.35 through 5.20, and VPN series firmware versions 4.35 through 5.20, that could allow an attacker to obtain some information stored in the user's browser, such as cookies or session tokens, via a malicious script.
Severity
5.8 (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/support/multiple-vulnerabil… | x_refsource_CONFIRM |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.35 through 4.70
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.20
|
|
| Zyxel | ATP series firmware |
Affected:
4.35 through 5.20
|
|
| Zyxel | VPN series firmware |
Affected:
4.35 through 5.20
|
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CVE-2018-9129 (GCVE-0-2018-9129)
Vulnerability from nvd – Published: 2018-08-15 18:00 – Updated: 2024-08-05 07:17
VLAI
EPSS
VEX
Summary
ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
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| ftp://ftp.zyxel.com/USG110/firmware/USG110_4.32%2… | x_refsource_CONFIRM |
| https://www.zyxel.com/support/bleichenbacher_atta… | x_refsource_CONFIRM |
Date Public
2018-08-13 00:00
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CVE-2023-34141 (GCVE-0-2023-34141)
Vulnerability from cvelistv5 – Published: 2023-07-17 17:56 – Updated: 2024-10-29 16:06
VLAI
EPSS
VEX
Summary
A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series firmware versions 5.00 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the managed AP list in advance.
Severity
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
14 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | NXC2500 firmware |
Affected:
6.10(AAIG.0) through 6.10(AAIG.3)
|
|
| Zyxel | NXC5500 firmware |
Affected:
6.10(AAOS.0) through 6.10(AAOS.4)
|
|
| zyxel | atp |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:h:zyxel:atp:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:h:zyxel:usg_flex:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:o:zyxel:usg_flex_50w_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg20w-vpn_firmware |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | vpn_firmware |
Affected:
5.00 , ≤ 5.36_patch-2
(custom)
cpe:2.3:o:zyxel:vpn_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | nxc2500_firmware |
Affected:
6.10(AAIG.0) , ≤ 6.10(AAIG.3)
(custom)
cpe:2.3:o:zyxel:nxc2500_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nxc5500_firmware |
Affected:
6.10(AAOS.0) , ≤ 6.10(AAOS.4)
(custom)
cpe:2.3:o:zyxel:nxc5500_firmware:-:*:*:*:*:*:*:* |
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CVE-2023-34140 (GCVE-0-2023-34140)
Vulnerability from cvelistv5 – Published: 2023-07-17 17:49 – Updated: 2024-10-21 19:42
VLAI
EPSS
VEX
Summary
A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2, VPN series firmware versions 4.30 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to cause denial of service (DoS) conditions by sending a crafted request to the CAPWAP daemon.
Severity
6.5 (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
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
4.16 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
4.16 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.36 Patch 2
|
|
| Zyxel | NXC2500 firmware |
Affected:
6.10(AAIG.0) through 6.10(AAIG.3)
|
|
| Zyxel | NXC5500 firmware |
Affected:
6.10(AAOS.0) through 6.10(AAOS.4)
|
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CVE-2023-34139 (GCVE-0-2023-34139)
Vulnerability from cvelistv5 – Published: 2023-07-17 17:36 – Updated: 2024-10-29 16:19
VLAI
EPSS
VEX
Summary
A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.
Severity
8.8 (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 | USG FLEX series firmware |
Affected:
4.50 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
4.20 through 5.36 Patch 2
|
|
| zyxel | usg_flex_firmware |
Affected:
4.50 , ≤ 5.36_Patch-2
(custom)
cpe:2.3:o:zyxel:usg_flex_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | vpn_firmware |
Affected:
4.20 , ≤ 5.36_Patch-2
(custom)
cpe:2.3:o:zyxel:vpn_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-34138 (GCVE-0-2023-34138)
Vulnerability from cvelistv5 – Published: 2023-07-17 17:31 – Updated: 2024-10-30 18:02
VLAI
EPSS
VEX
Summary
A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.60 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.60 through 5.36 Patch 2, and VPN series firmware versions 4.60 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the list of trusted RADIUS clients in advance.
Severity
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
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
4.60 through 5.36 Patch 2
|
|
| zyxel | atp_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:atp_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:usg_flex_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:usg_flex_50w_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | usg20w-vpn_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | vpn_firmware |
Affected:
4.60 , ≤ 5.36 Patch 2
(custom)
cpe:2.3:o:zyxel:vpn_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-33012 (GCVE-0-2023-33012)
Vulnerability from cvelistv5 – Published: 2023-07-17 17:23 – Updated: 2025-03-05 18:48
VLAI
EPSS
VEX
Summary
A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted GRE configuration when the cloud management mode is enabled.
Severity
8.8 (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
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
5.00 through 5.36 Patch 2
|
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CVE-2023-33011 (GCVE-0-2023-33011)
Vulnerability from cvelistv5 – Published: 2023-07-17 17:15 – Updated: 2024-11-07 19:08
VLAI
EPSS
VEX
Summary
A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.10 through 5.36 Patch 2
|
|
| Zyxel | VPN series firmware |
Affected:
5.00 through 5.36 Patch 2
|
|
| zyxel | vpn_series_firmware |
Affected:
5.00 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:vpn_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | atp100_firmware |
Affected:
5.10 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_series_firmware |
Affected:
5.0.0 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:usg_flex_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50\/w\/_series_firmware |
Affected:
5.10 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:usg_flex_50\/w\/_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg20w-vpn_firmware |
Affected:
5.10 , ≤ 5.36_patch_2
(custom)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-28767 (GCVE-0-2023-28767)
Vulnerability from cvelistv5 – Published: 2023-07-17 16:59 – Updated: 2024-11-07 19:14
VLAI
EPSS
VEX
Summary
The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36,
USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.
Severity
8.8 (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
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
5.10 through 5.36
|
|
| Zyxel | USG FLEX series firmware |
Affected:
5.00 through 5.36
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
5.10 through 5.36
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
5.10 through 5.36
|
|
| Zyxel | VPN series firmware |
Affected:
5.00 through 5.36
|
|
| zyxel | atp_series_firmware |
Affected:
5.10 , ≤ 5.36
(custom)
cpe:2.3:o:zyxel:atp_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_series_firmware |
Affected:
5.0.0 , ≤ 5.36
(custom)
cpe:2.3:o:zyxel:usg_flex_series_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50\/w\/_series_firmware |
Affected:
5.10 , ≤ 5.36
(custom)
cpe:2.3:o:zyxel:usg_flex_50\/w\/_series_firmware:*:*:*:*:*:*:*:* |
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CVE-2022-2030 (GCVE-0-2022-2030)
Vulnerability from cvelistv5 – Published: 2022-07-19 05:55 – Updated: 2024-08-03 00:24
VLAI
EPSS
VEX
Summary
A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.
Severity
6.5 (Medium)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/support/Zyxel-security-advi… | x_refsource_CONFIRM |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG FLEX 100(W) firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 200 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 500 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 700 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.30
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.30
|
|
| Zyxel | USG FLEX 50(W) firmware |
Affected:
4.16 through 5.30
|
|
| Zyxel | USG 20(W)-VPN firmware |
Affected:
4.16 through 5.30
|
|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.11 through 4.72
|
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CVE-2022-30526 (GCVE-0-2022-30526)
Vulnerability from cvelistv5 – Published: 2022-07-19 05:45 – Updated: 2024-08-03 06:48
VLAI
EPSS
VEX
Summary
A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.
Severity
7.8 (High)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/support/Zyxel-security-advi… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/168202/Zyxel… | x_refsource_MISC |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG FLEX 100(W) firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 200 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 500 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | USG FLEX 700 firmware |
Affected:
4.50 through 5.30
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.30
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.30
|
|
| Zyxel | USG FLEX 50(W) firmware |
Affected:
4.16 through 5.30
|
|
| Zyxel | USG 20(W)-VPN firmware |
Affected:
4.16 through 5.30
|
|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.09 through 4.72
|
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CVE-2022-26532 (GCVE-0-2022-26532)
Vulnerability from cvelistv5 – Published: 2022-05-24 05:20 – Updated: 2024-08-03 05:03
VLAI
EPSS
VEX
Summary
A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to execute arbitrary OS commands by including crafted arguments to the CLI command.
Severity
7.8 (High)
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/support/multiple-vulnerabil… | x_refsource_CONFIRM |
| http://seclists.org/fulldisclosure/2022/Jun/15 | mailing-listx_refsource_FULLDISC |
| http://packetstormsecurity.com/files/167464/Zyxel… | x_refsource_MISC |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.09 through 4.71
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.21
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.21
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.21
|
|
| Zyxel | NSG series firmware |
Affected:
1.00 through 1.33 Patch 4
|
|
| Zyxel | NXC2500 firmware |
Affected:
<= 6.10(AAIG.3)
|
|
| Zyxel | NAP203 firmware |
Affected:
<= 6.25(ABFA.7)
|
|
| Zyxel | NWA50AX firmware |
Affected:
<= 6.25(ABYW.5)
|
|
| Zyxel | WAC500 firmware |
Affected:
<= 6.30(ABVS.2)
|
|
| Zyxel | WAX510D firmware |
Affected:
<= 6.30(ABTF.2)
|
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CVE-2022-0910 (GCVE-0-2022-0910)
Vulnerability from cvelistv5 – Published: 2022-05-24 02:20 – Updated: 2024-08-02 23:47
VLAI
EPSS
VEX
Summary
A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, and VPN series firmware versions 4.32 through 5.21, that could allow an authenticated attacker to bypass the second authentication phase to connect the IPsec VPN server even though the two-factor authentication (2FA) was enabled.
Severity
6.5 (Medium)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/support/multiple-vulnerabil… | x_refsource_CONFIRM |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.32 through 4.71
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.21
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.21
|
|
| Zyxel | VPN series firmware |
Affected:
4.32 through 5.21
|
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CVE-2022-0734 (GCVE-0-2022-0734)
Vulnerability from cvelistv5 – Published: 2022-05-24 02:10 – Updated: 2024-08-02 23:40
VLAI
EPSS
VEX
Summary
A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.35 through 5.20, and VPN series firmware versions 4.35 through 5.20, that could allow an attacker to obtain some information stored in the user's browser, such as cookies or session tokens, via a malicious script.
Severity
5.8 (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/support/multiple-vulnerabil… | x_refsource_CONFIRM |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.35 through 4.70
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.20
|
|
| Zyxel | ATP series firmware |
Affected:
4.35 through 5.20
|
|
| Zyxel | VPN series firmware |
Affected:
4.35 through 5.20
|
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CVE-2022-26531 (GCVE-0-2022-26531)
Vulnerability from cvelistv5 – Published: 2022-05-24 00:00 – Updated: 2024-08-03 05:03
VLAI
EPSS
VEX
Summary
Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to cause a buffer overflow or a system crash via a crafted payload.
Severity
6.1 (Medium)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | USG/ZyWALL series firmware |
Affected:
4.09 through 4.71
|
|
| Zyxel | USG FLEX series firmware |
Affected:
4.50 through 5.21
|
|
| Zyxel | ATP series firmware |
Affected:
4.32 through 5.21
|
|
| Zyxel | VPN series firmware |
Affected:
4.30 through 5.21
|
|
| Zyxel | NSG series firmware |
Affected:
1.00 through 1.33 Patch 4
|
|
| Zyxel | NXC2500 firmware |
Affected:
<= 6.10(AAIG.3)
|
|
| Zyxel | NAP203 firmware |
Affected:
<= 6.25(ABFA.7)
|
|
| Zyxel | NWA50AX firmware |
Affected:
<= 6.25(ABYW.5)
|
|
| Zyxel | WAC500 firmware |
Affected:
<= 6.30(ABVS.2)
|
|
| Zyxel | WAX510D firmware |
Affected:
<= 6.30(ABTF.2)
|
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CVE-2018-9129 (GCVE-0-2018-9129)
Vulnerability from cvelistv5 – Published: 2018-08-15 18:00 – Updated: 2024-08-05 07:17
VLAI
EPSS
VEX
Summary
ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://web-in-security.blogspot.com/2018/08/prac… | x_refsource_MISC |
| ftp://ftp.zyxel.com/USG110/firmware/USG110_4.32%2… | x_refsource_CONFIRM |
| https://www.zyxel.com/support/bleichenbacher_atta… | x_refsource_CONFIRM |
Date Public
2018-08-13 00:00
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