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28 vulnerabilities found for NAS542 firmware by Zyxel
CVE-2024-6342 (GCVE-0-2024-6342)
Vulnerability from nvd – Published: 2024-09-10 01:55 – Updated: 2024-09-10 15:18 Unsupported When Assigned
VLAI
Summary
**UNSUPPORTED WHEN ASSIGNED** A command injection vulnerability in the export-cgi program of Zyxel NAS326 firmware versions through V5.21(AAZF.18)C0 and NAS542 firmware versions through V5.21(ABAG.15)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
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 | NAS326 firmware |
Affected:
<= V5.21(AAZF.18)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
<= V5.21(ABAG.15)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , ≤ V5.21(AAZF.18)C0
(custom)
cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , ≤ V5.21(ABAG.15)C0
(custom)
cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-29976 (GCVE-0-2024-29976)
Vulnerability from nvd – Published: 2024-06-04 01:47 – Updated: 2024-08-02 01:17 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **
The improper privilege management vulnerability in the command “show_allsessions” in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an authenticated attacker to obtain a logged-in administrator’s session information containing cookies on an affected device.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , ≤ 5.21(aazf.16)c0
(custom)
cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , ≤ 5.21(abag.13)c0
(custom)
cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-29975 (GCVE-0-2024-29975)
Vulnerability from nvd – Published: 2024-06-04 01:43 – Updated: 2024-08-02 01:17 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **
The improper privilege management vulnerability in the SUID executable binary in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an authenticated local attacker with administrator privileges to execute some system commands as the “root” user on a vulnerable device.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , < v5.21\(aazf.17\)co
(custom)
cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
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CVE-2024-29974 (GCVE-0-2024-29974)
Vulnerability from nvd – Published: 2024-06-04 01:34 – Updated: 2024-08-02 01:17 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **
The remote code execution vulnerability in the CGI program “file_upload-cgi” in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute arbitrary code by uploading a crafted configuration file to a vulnerable device.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , < v5.21\(aazf.17\)co
(custom)
cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
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CVE-2024-29973 (GCVE-0-2024-29973)
Vulnerability from nvd – Published: 2024-06-04 01:29 – Updated: 2024-08-02 01:17 Unsupported When AssignedSummary
** UNSUPPORTED WHEN ASSIGNED **
The command injection vulnerability in the “setCookie” parameter in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
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cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
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CVE-2024-29972 (GCVE-0-2024-29972)
Vulnerability from nvd – Published: 2024-06-04 01:24 – Updated: 2024-08-02 01:17 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **
The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
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|---|---|---|---|
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Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , < v5.21\(aazf.17\)co
(custom)
cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
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CVE-2023-5372 (GCVE-0-2023-5372)
Vulnerability from nvd – Published: 2024-01-30 00:55 – Updated: 2024-08-23 18:58
VLAI
Summary
The post-authentication command injection vulnerability in Zyxel NAS326 firmware versions through V5.21(AAZF.15)C0 and NAS542 firmware versions through V5.21(ABAG.12)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands by sending a crafted query parameter attached to the URL of an affected device’s web management interface.
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 | NAS326 firmware |
Affected:
<= V5.21(AAZF.15)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
<= V5.21(ABAG.12)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , ≤ 5.21(AAZF.15)C0
(custom)
cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , ≤ 5.21(ABAG.12)C0
(custom)
cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-4474 (GCVE-0-2023-4474)
Vulnerability from nvd – Published: 2023-11-30 01:45 – Updated: 2025-12-16 18:23
VLAI
Summary
The improper neutralization of special elements in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://bugprove.com/knowledge-hub/cve-2023-4473-… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
|
|
| zyxel | nas326_firmware |
Affected:
5.21\(aazf.14\)c0
cpe:2.3:o:zyxel:nas326_firmware:5.21\(aazf.14\)c0:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
5.21\(abag.11\)c0
cpe:2.3:o:zyxel:nas542_firmware:5.21\(abag.11\)c0:*:*:*:*:*:*:* |
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CVE-2023-4473 (GCVE-0-2023-4473)
Vulnerability from nvd – Published: 2023-11-30 01:40 – Updated: 2025-12-16 18:23
VLAI
Shadowserver
Summary
A command injection vulnerability in the web server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://bugprove.com/knowledge-hub/cve-2023-4473-… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
|
|
| zyxel | nas326_firmware |
Affected:
5.21\(aazf.14\)c0
cpe:2.3:o:zyxel:nas326_firmware:5.21\(aazf.14\)c0:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
5.21\(abag.11\)c0
cpe:2.3:o:zyxel:nas542_firmware:5.21\(abag.11\)c0:*:*:*:*:*:*:* |
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CVE-2023-37928 (GCVE-0-2023-37928)
Vulnerability from nvd – Published: 2023-11-30 01:37 – Updated: 2025-02-13 17:01
VLAI
Summary
A post-authentication command injection vulnerability in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Severity
8.8 (High)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://bugprove.com/knowledge-hub/cve-2023-37927… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
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CVE-2023-37927 (GCVE-0-2023-37927)
Vulnerability from nvd – Published: 2023-11-30 01:34 – Updated: 2025-02-13 17:01
VLAI
Summary
The improper neutralization of special elements in the CGI program of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Severity
8.8 (High)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://bugprove.com/knowledge-hub/cve-2023-37927… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
|
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CVE-2023-35138 (GCVE-0-2023-35138)
Vulnerability from nvd – Published: 2023-11-30 01:30 – Updated: 2024-08-02 16:23
VLAI
Summary
A command injection vulnerability in the “show_zysync_server_contents” function of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
Severity
9.8 (Critical)
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
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
|
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CVE-2023-35137 (GCVE-0-2023-35137)
Vulnerability from nvd – Published: 2023-11-30 01:25 – Updated: 2024-08-02 16:23
VLAI
Summary
An improper authentication vulnerability in the authentication module of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to obtain system information by sending a crafted URL to a vulnerable device.
Severity
7.5 (High)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
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CVE-2023-27992 (GCVE-0-2023-27992)
Vulnerability from nvd – Published: 2023-06-19 11:42 – Updated: 2025-10-21 23:05Summary
The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.14)C0
|
|
| Zyxel | NAS540 firmware |
Affected:
< V5.21(AATB.11)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
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|
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CVE-2024-6342 (GCVE-0-2024-6342)
Vulnerability from cvelistv5 – Published: 2024-09-10 01:55 – Updated: 2024-09-10 15:18 Unsupported When Assigned
VLAI
Summary
**UNSUPPORTED WHEN ASSIGNED** A command injection vulnerability in the export-cgi program of Zyxel NAS326 firmware versions through V5.21(AAZF.18)C0 and NAS542 firmware versions through V5.21(ABAG.15)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
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 | NAS326 firmware |
Affected:
<= V5.21(AAZF.18)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
<= V5.21(ABAG.15)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , ≤ V5.21(AAZF.18)C0
(custom)
cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , ≤ V5.21(ABAG.15)C0
(custom)
cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-29976 (GCVE-0-2024-29976)
Vulnerability from cvelistv5 – Published: 2024-06-04 01:47 – Updated: 2024-08-02 01:17 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **
The improper privilege management vulnerability in the command “show_allsessions” in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an authenticated attacker to obtain a logged-in administrator’s session information containing cookies on an affected device.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , ≤ 5.21(aazf.16)c0
(custom)
cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , ≤ 5.21(abag.13)c0
(custom)
cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:* |
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CVE-2024-29975 (GCVE-0-2024-29975)
Vulnerability from cvelistv5 – Published: 2024-06-04 01:43 – Updated: 2024-08-02 01:17 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **
The improper privilege management vulnerability in the SUID executable binary in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an authenticated local attacker with administrator privileges to execute some system commands as the “root” user on a vulnerable device.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , < v5.21\(aazf.17\)co
(custom)
cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
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CVE-2024-29974 (GCVE-0-2024-29974)
Vulnerability from cvelistv5 – Published: 2024-06-04 01:34 – Updated: 2024-08-02 01:17 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **
The remote code execution vulnerability in the CGI program “file_upload-cgi” in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute arbitrary code by uploading a crafted configuration file to a vulnerable device.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , < v5.21\(aazf.17\)co
(custom)
cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
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CVE-2024-29973 (GCVE-0-2024-29973)
Vulnerability from cvelistv5 – Published: 2024-06-04 01:29 – Updated: 2024-08-02 01:17 Unsupported When AssignedSummary
** UNSUPPORTED WHEN ASSIGNED **
The command injection vulnerability in the “setCookie” parameter in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
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Affected:
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cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
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Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
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CVE-2024-29972 (GCVE-0-2024-29972)
Vulnerability from cvelistv5 – Published: 2024-06-04 01:24 – Updated: 2024-08-02 01:17 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **
The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
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|---|---|---|---|
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Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , < v5.21\(aazf.17\)co
(custom)
cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
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CVE-2023-5372 (GCVE-0-2023-5372)
Vulnerability from cvelistv5 – Published: 2024-01-30 00:55 – Updated: 2024-08-23 18:58
VLAI
Summary
The post-authentication command injection vulnerability in Zyxel NAS326 firmware versions through V5.21(AAZF.15)C0 and NAS542 firmware versions through V5.21(ABAG.12)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands by sending a crafted query parameter attached to the URL of an affected device’s web management interface.
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 | NAS326 firmware |
Affected:
<= V5.21(AAZF.15)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
<= V5.21(ABAG.12)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , ≤ 5.21(AAZF.15)C0
(custom)
cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , ≤ 5.21(ABAG.12)C0
(custom)
cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:* |
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CVE-2023-4474 (GCVE-0-2023-4474)
Vulnerability from cvelistv5 – Published: 2023-11-30 01:45 – Updated: 2025-12-16 18:23
VLAI
Summary
The improper neutralization of special elements in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://bugprove.com/knowledge-hub/cve-2023-4473-… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
|
|
| zyxel | nas326_firmware |
Affected:
5.21\(aazf.14\)c0
cpe:2.3:o:zyxel:nas326_firmware:5.21\(aazf.14\)c0:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
5.21\(abag.11\)c0
cpe:2.3:o:zyxel:nas542_firmware:5.21\(abag.11\)c0:*:*:*:*:*:*:* |
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CVE-2023-4473 (GCVE-0-2023-4473)
Vulnerability from cvelistv5 – Published: 2023-11-30 01:40 – Updated: 2025-12-16 18:23
VLAI
Shadowserver
Summary
A command injection vulnerability in the web server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://bugprove.com/knowledge-hub/cve-2023-4473-… |
Impacted products
4 products
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|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
|
|
| zyxel | nas326_firmware |
Affected:
5.21\(aazf.14\)c0
cpe:2.3:o:zyxel:nas326_firmware:5.21\(aazf.14\)c0:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
5.21\(abag.11\)c0
cpe:2.3:o:zyxel:nas542_firmware:5.21\(abag.11\)c0:*:*:*:*:*:*:* |
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CVE-2023-37928 (GCVE-0-2023-37928)
Vulnerability from cvelistv5 – Published: 2023-11-30 01:37 – Updated: 2025-02-13 17:01
VLAI
Summary
A post-authentication command injection vulnerability in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Severity
8.8 (High)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://bugprove.com/knowledge-hub/cve-2023-37927… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
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CVE-2023-37927 (GCVE-0-2023-37927)
Vulnerability from cvelistv5 – Published: 2023-11-30 01:34 – Updated: 2025-02-13 17:01
VLAI
Summary
The improper neutralization of special elements in the CGI program of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Severity
8.8 (High)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://bugprove.com/knowledge-hub/cve-2023-37927… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
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CVE-2023-35138 (GCVE-0-2023-35138)
Vulnerability from cvelistv5 – Published: 2023-11-30 01:30 – Updated: 2024-08-02 16:23
VLAI
Summary
A command injection vulnerability in the “show_zysync_server_contents” function of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
Severity
9.8 (Critical)
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
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
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CVE-2023-35137 (GCVE-0-2023-35137)
Vulnerability from cvelistv5 – Published: 2023-11-30 01:25 – Updated: 2024-08-02 16:23
VLAI
Summary
An improper authentication vulnerability in the authentication module of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to obtain system information by sending a crafted URL to a vulnerable device.
Severity
7.5 (High)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
V5.21(AAZF.14)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
V5.21(ABAG.11)C0
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CVE-2023-27992 (GCVE-0-2023-27992)
Vulnerability from cvelistv5 – Published: 2023-06-19 11:42 – Updated: 2025-10-21 23:05Summary
The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
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
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.14)C0
|
|
| Zyxel | NAS540 firmware |
Affected:
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|
|
| Zyxel | NAS542 firmware |
Affected:
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|
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