CVE-2026-6123 HIGH

CVE-2026-6123: Tenda F451 httpd addressNat fromAddressNat stack-based overflow

Vendor Tenda
Product F451
Weakness CWE-121
Published April 12, 2026
Last update April 13, 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 F451 1.0.0.7. This affects the function fromAddressNat of the file /goform/addressNat of the component httpd. Performing a manipulation of the argument entrys results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

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