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zyxel nas326 firmware vulnerabilities and exploits
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8.8
CVSSv3
CVE-2023-37928
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 malicious user to execute some operating system (OS) commands by sending a craf...
Zyxel Nas326 Firmware
Zyxel Nas542 Firmware
8.8
CVSSv3
CVE-2020-13364
A backdoor in certain Zyxel products allows remote TELNET access via a CGI script. This affects NAS520 V5.21(AASZ.4)C0, V5.21(AASZ.0)C0, V5.11(AASZ.3)C0, and V5.11(AASZ.0)C0; NAS542 V5.11(ABAG.0)C0, V5.20(ABAG.1)C0, and V5.21(ABAG.3)C0; NSA325 v2_V4.81(AALS.0)C0 and V4.81(AAAJ.1)...
Zyxel Nas326 Firmware
Zyxel Nas520 Firmware
Zyxel Nas540 Firmware
Zyxel Nas542 Firmware
1 Github repository
8.8
CVSSv3
CVE-2020-13365
Certain Zyxel products have a locally accessible binary that allows a non-root user to generate a password for an undocumented user account that can be used for a TELNET session as root. This affects NAS520 V5.21(AASZ.4)C0, V5.21(AASZ.0)C0, V5.11(AASZ.3)C0, and V5.11(AASZ.0)C0; N...
Zyxel Nas326 Firmware
Zyxel Nas520 Firmware
Zyxel Nas540 Firmware
Zyxel Nas542 Firmware
1 Github repository
8.8
CVSSv3
CVE-2019-10630
A plaintext password vulnerability in the Zyxel NAS 326 up to and including 5.21 allows an elevated privileged user to get the admin password of the device.
Zyxel Nas326 Firmware
8.8
CVSSv3
CVE-2019-10631
Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated malicious user to execute arbitrary code via multiple different requests.
Zyxel Nas326 Firmware
8.8
CVSSv3
CVE-2019-10633
An eval injection vulnerability in the Python web server routing on the Zyxel NAS 326 version 5.21 and below allows a remote authenticated malicious user to execute arbitrary code via the tjp6jp6y4, simZysh, and ck6fup6 APIs.
Zyxel Nas326 Firmware
7.5
CVSSv3
CVE-2023-35137
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 malicious user to obtain system information by sending a crafted URL to a vulner...
Zyxel Nas326 Firmware
Zyxel Nas542 Firmware
7.2
CVSSv3
CVE-2023-5372
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) comma...
Zyxel Nas326 Firmware
Zyxel Nas542 Firmware
7.2
CVSSv3
CVE-2023-27988
The post-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.13)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device remotely.
Zyxel Nas326 Firmware
Zyxel Nas540 Firmware
Zyxel Nas542 Firmware
6.7
CVSSv3
CVE-2024-29975
** 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 administra...
2 Articles
CVSSv3
CVSSv2
CVSSv3
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