CVE-2026-4007 HIGH

CVE-2026-4007: Tenda W3 POST Parameter wifiSSIDget stack-based overflow

Vendor Tenda
Product W3
Weakness CWE-121
Published March 12, 2026
Last update March 12, 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 detected in Tenda W3 1.0.0.3(2204). This vulnerability affects unknown code of the file /goform/wifiSSIDget of the component POST Parameter Handler. Performing a manipulation of the argument index results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Key dates

02Disclosure timeline

March 12, 2026 CVE published
March 12, 2026 Record updated