CVE-2026-6121 HIGH

CVE-2026-6121: Tenda F451 httpd WrlclientSet stack-based overflow

Vendor Tenda
Product F451
Weakness CWE-121
Published April 12, 2026
Last update April 13, 2026
View on NVD All CVEs

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 F451 1.0.0.7. Affected by this vulnerability is the function WrlclientSet of the file /goform/WrlclientSet of the component httpd. This manipulation of the argument GO causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.

Key dates

02Disclosure timeline

April 12, 2026 CVE published
April 13, 2026 Record updated