Path traversal in ZyXEL Communications Corp. products - CVE-2025-6265

Vulnerability identifier: #VU112893

CSH Severity: Low

CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-6265

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the file_upload-cgi CGI program. A remote administrator can access specific directories and delete files.

NWA220AX-6E
WAX620D-6E
WAX630S
WAX300H
WAX640S-6E
NWA50AX
NWA50AX PRO
WBE660S
NWA55AXE
WBE530
NWA90AX PRO
NWA90AX
WAX655E
NWA130BE
WAX610D
WAX510D
WAC6103D-I
WAC5302D-Sv2
WAC500H
NWA1123AC PRO
NWA210AX
WAX650S
NWA110AX

Install update from vendor's website.

NWA220AX-6E - update to 7.10(ACCO.3)
WAX620D-6E - update to 7.10(ACCN.3)
WAX610D - update to 7.10(ABTE.3)
WAX510D - update to 7.10(ABTF.3)
WAX630S - update to 7.10(ABZD.3)
WAX300H - update to 7.10(ACHF.3)
WAC500H - update to 6.70(ABWA.7)
WAX640S-6E - update to 7.10(ACCM.3)
NWA210AX - update to 7.10(ABTD.3)
WAX650S - update to 7.10(ABRM.3)
NWA50AX - update to 7.10(ABYW.3)
NWA50AX PRO - update to 7.10(ACGE.3)
WBE660S - update to 7.20(ACGG.1)
NWA110AX - update to 7.10(ABTG.3)
NWA55AXE - update to 7.10(ABZL.3)
WBE530 - update to 7.20(ACLE.1)
NWA90AX PRO - update to 7.10(ACGF.3)
NWA90AX - update to 7.10(ACCV.3)
WAX655E - update to 7.10(ACDO.3)
NWA130BE - update to 7.20(ACIL.1)

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-path-traversal-vulnerability-in-aps-07-15-2025

• Path traversal in Zyxel APs