Vulnerabilities > Zyxel > Nas326 Firmware > High

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-2023-37927 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
2023-05-30 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
8.8
2020-08-06 CVE-2020-13364 Unspecified vulnerability in Zyxel products
A backdoor in certain Zyxel products allows remote TELNET access via a CGI script.
network
low complexity
zyxel
8.8
2019-04-09 CVE-2019-10633 Code Injection vulnerability in Zyxel Nas326 Firmware 5.21
An eval injection vulnerability in the Python web server routing on the Zyxel NAS 326 version 5.21 and below allows a remote authenticated attacker to execute arbitrary code via the tjp6jp6y4, simZysh, and ck6fup6 APIs.
network
low complexity
zyxel CWE-94
8.8
2019-04-09 CVE-2019-10631 OS Command Injection vulnerability in Zyxel Nas326 Firmware 5.21
Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated attacker to execute arbitrary code via multiple different requests.
network
low complexity
zyxel CWE-78
8.8
2019-04-09 CVE-2019-10630 Insufficiently Protected Credentials vulnerability in Zyxel Nas326 Firmware 5.21
A plaintext password vulnerability in the Zyxel NAS 326 through 5.21 allows an elevated privileged user to get the admin password of the device.
network
low complexity
zyxel CWE-522
8.8