Vulnerabilities > Zyxel > Nas326 Firmware

DATE CVE VULNERABILITY TITLE RISK
2024-01-30 CVE-2023-5372 OS Command Injection vulnerability in Zyxel Nas326 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-78
7.2
2023-11-30 CVE-2023-35137 Improper Authentication vulnerability in Zyxel Nas326 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-287
7.5
2023-11-30 CVE-2023-35138 OS Command Injection vulnerability in Zyxel Nas326 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-78
critical
9.8
2023-11-30 CVE-2023-37927 OS Command Injection vulnerability in Zyxel Nas326 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-78
8.8
2023-11-30 CVE-2023-37928 OS Command Injection vulnerability in Zyxel Nas326 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-78
8.8
2023-11-30 CVE-2023-4473 OS Command Injection vulnerability in Zyxel Nas326 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-78
critical
9.8
2023-11-30 CVE-2023-4474 OS Command Injection vulnerability in Zyxel Nas326 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-78
critical
9.8
2023-06-19 CVE-2023-27992 OS Command Injection vulnerability in Zyxel Nas326 Firmware, Nas540 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-78
critical
9.8
2023-05-30 CVE-2023-27988 OS Command Injection vulnerability in Zyxel Nas326 Firmware, Nas540 Firmware and Nas542 Firmware
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.
network
low complexity
zyxel CWE-78
7.2
2020-08-06 CVE-2020-13365 Improper Authentication vulnerability in Zyxel products
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.
network
low complexity
zyxel CWE-287
critical
9.0