CVE-2026-4534

HIGH

Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow

Title source: cna

Description

A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the argument GO causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-352322 | Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow

https://vuldb.com/?id.352322

Signature, Permissions Required signature permissions-required

VDB-352322 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/?ctiid.352322

Third Party Advisory third-party-advisory

Submit #774342 | Tenda FH451 V1.0.0.9 Stack-based Buffer Overflow

https://vuldb.com/?submit.774342

Exploit exploit

https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_41/README.md

View Exploit ZIP pw:eip

Product product

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

Scores

CVSS v3 8.8

EPSS 0.0063

EPSS Percentile 45.4%

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

Status published

Products (2)

Tenda/FH451 1.0.0.9

tenda/fh451_firmware 1.0.0.9

Published Mar 22, 2026

Tracked Since Mar 22, 2026