Vulnerabilities > Zyxel > Nas326 Firmware > High
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-11-30 | CVE-2023-35137 | Unspecified 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. | 7.5 |
| 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. | 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. | 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. | 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. | 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. | 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. | 8.8 |