CVE-2025-9046 HIGH

CVE-2025-9046: Tenda AC20 setMacFilterCfg sub_46A2AC stack-based overflow

Vendor Tenda
Product AC20
Weakness CWE-121
Published August 15, 2025
Last update August 15, 2025

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 identified in Tenda AC20 16.03.08.12. This issue affects the function sub_46A2AC of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList 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

August 15, 2025 CVE published
August 15, 2025 Record updated