CVE-2026-3973 HIGH

CVE-2026-3973: Tenda W3 POST Parameter setAutoPing formSetAutoPing stack-based overflow

Vendor Tenda
Product W3
Weakness CWE-121
Published March 12, 2026
Last update March 12, 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 vulnerability was determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component POST Parameter Handler. This manipulation of the argument ping1/ping2 causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

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