CVE-2026-5156

HIGH

Tenda CH22 Parameter QuickIndex formQuickIndex stack-based overflow

Title source: cna

Description

A vulnerability was determined in Tenda CH22 1.0.0.1. This impacts the function formQuickIndex of the file /goform/QuickIndex of the component Parameter Handler. This manipulation of the argument mit_linktype causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/354188

[Signature, Permissions Required] https://vuldb.com/vuln/354188/cti

[Third Party Advisory] https://vuldb.com/submit/780208

[Exploit] https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_46/README.md

View Exploit ZIP pw:eip

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

Scores

CVSS v3 8.8

EPSS 0.0008

EPSS Percentile 23.3%

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 31, 2026

Tracked Since Mar 31, 2026