CVE-2026-4534

HIGH

Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 8.8
EPSS 0.0009
EPSS Percentile 25.6%
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