CVE-2026-4534 HIGH

CVE-2026-4534: Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow

Vendor Tenda
Product FH451
Weakness CWE-121
Published March 22, 2026
Last update March 23, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 22, 2026 CVE published
March 23, 2026 Record updated