CVE-2026-5155 HIGH

CVE-2026-5155: Tenda CH22 Parameter AdvSetWan fromAdvSetWan stack-based overflow

Vendor Tenda
Product CH22
Weakness CWE-121
Published March 30, 2026
Last update April 2, 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 CH22 1.0.0.1. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component Parameter Handler. The manipulation of the argument wanmode results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

March 30, 2026 CVE published
April 2, 2026 Record updated