CVE-2026-4567 CRITICAL

CVE-2026-4567: Tenda A15 UploadCfg stack-based overflow

Vendor Tenda
Product A15
Weakness CWE-121
Published March 23, 2026
Last update March 23, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 A15 15.13.07.13. The impacted element is the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument File leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

March 23, 2026 CVE published
March 23, 2026 Record updated