CVE-2026-5155

HIGH

Tenda CH22 Parameter AdvSetWan fromAdvSetWan stack-based overflow

Title source: cna

Description

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.

References (5)

[Exploit] https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_47/README.md

View Exploit ZIP pw:eip

[Product] https://www.tenda.com.cn/

[Vdb Entry, Technical Description] https://vuldb.com/vuln/354187

[Signature, Permissions Required] https://vuldb.com/vuln/354187/cti

[Third Party Advisory] https://vuldb.com/submit/780207

Scores

CVSS v3 8.8

EPSS 0.0003

EPSS Percentile 7.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-119 CWE-121 CWE-787

Status published

Products (2)

Tenda/CH22 1.0.0.1

tenda/ch22_firmware 1.0.0.1

Published Mar 30, 2026

Tracked Since Mar 31, 2026