CVE-2026-3044 HIGH

CVE-2026-3044: Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

Vendor Tenda
Product AC8
Weakness CWE-121
Published February 23, 2026
Last update February 25, 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 has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

February 23, 2026 CVE published
February 25, 2026 Record updated