CVE-2025-11356 HIGH

CVE-2025-11356: Tenda AC23 SetStaticRouteCfg sscanf buffer overflow

Vendor Tenda
Product AC23
Weakness CWE-120
Published October 7, 2025
Last update February 24, 2026

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 found in Tenda AC23 up to 16.03.07.52. Affected by this issue is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

October 7, 2025 CVE published
February 24, 2026 Record updated