CVE-2025-9090 MEDIUM

CVE-2025-9090: Tenda AC20 Telnet Service telnet websFormDefine command injection

Vendor Tenda
Product AC20
Weakness CWE-77
Published August 17, 2025
Last update August 18, 2025

CVSS base score

5.3/10
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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

August 17, 2025 CVE published
August 18, 2025 Record updated