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zyxel nas326 firmware vulnerabilities and exploits
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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
9.8
CVSSv3
CVE-2023-35138
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 malicious user to execute some operating system (OS) comma...
Zyxel Nas326 Firmware
Zyxel Nas542 Firmware
9.8
CVSSv3
CVE-2023-4474
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 malicious user to execute some operating system (OS) commands by sending a crafted ...
Zyxel Nas326 Firmware
Zyxel Nas542 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
8.8
CVSSv3
CVE-2023-37927
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 malicious user to execute some operating system (OS) commands by sending a crafted UR...
Zyxel Nas326 Firmware
Zyxel Nas542 Firmware
9.8
CVSSv3
CVE-2023-4473
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 malicious user to execute some operating system (OS) commands by sending a crafted URL to a vulner...
Zyxel Nas326 Firmware
Zyxel Nas542 Firmware
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
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
9.8
CVSSv3
CVE-2023-27992
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 malicious user to exec...
Zyxel Nas326 Firmware
Zyxel Nas540 Firmware
Zyxel Nas542 Firmware
1 Article
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
CVSSv3
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