CVE-2026-5204

HIGH

Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow

Title source: cna

Description

A vulnerability was determined in Tenda CH22 1.0.0.1. Affected is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component Parameter Handler. This manipulation of the argument webSiteId causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-354332 | Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow

https://vuldb.com/vuln/354332

Signature, Permissions Required signature permissions-required

VDB-354332 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/354332/cti

Third Party Advisory third-party-advisory

Submit #780209 | Tenda CH22 V1.0.0.1 Stack-based Buffer Overflow

https://vuldb.com/submit/780209

Exploit exploit

https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_49/README.md

View Exploit ZIP pw:eip

Product product

https://www.tenda.com.cn/

Scores

CVSS v3 8.8

EPSS 0.0248

EPSS Percentile 82.4%

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