This report was translated by AI; nobody has reviewed the translation yet. Original language: Czech.

[TLP:CLEAR] Zyxel fixes a high-severity vulnerability

Zyxel fixes a high-severity vulnerability in the firmware of some of its access points (AP). The affected models and the corresponding fixed firmware versions can be found at [1].

Zyxel NWA, WAX, WAC, WBE AP firmware - path traversal (CVE-2025-6265)
CVSS 7.2 (High)

An authenticated remote attacker with administrator rights is, due to a path traversal vulnerability in the CGI program 'file_upload-cgi' of some APs, allowed to delete specific files, including configuration files, on the vulnerable device [1]. However, successful exploitation is conditional on prior compromise of administrator credentials.

CVSS: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

More information:

  • CVE-2025-6265 at cve.org, NVD
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') at cwe.mitre.org

The vulnerability was publicly disclosed 14. 7. 2025.


By CESNET, z.s.p.o. Michaela Ručková on 15. 7. 2025.

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