CVE-2026-3677 HIGH

CVE-2026-3677: Tenda FH451 setcfm fromSetCfm stack-based overflow

Vendor Tenda
Product FH451
Weakness CWE-121
Published March 7, 2026
Last update March 11, 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 vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

March 7, 2026 CVE published
March 11, 2026 Record updated