Vulnerability Database

317,107

Total vulnerabilities in the database

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 attacker to obtain system information by sending a crafted URL to a vulnerable device.

  • Published: Nov 30, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-35137
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
zyxel / nas326_firmware - 5.21\(aazf.14\)c0.x
zyxel / nas542_firmware - 5.21\(abag.11\)c0.x