CVE-2025-13400 HIGH

CVE-2025-13400: Tenda CH22 WrlExtraGet formWrlExtraGet buffer overflow

Vendor Tenda
Product CH22
Weakness CWE-120
Published November 19, 2025
Last update February 24, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing a manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.

Key dates

02Disclosure timeline

November 19, 2025 CVE published
February 24, 2026 Record updated