CVE-2025-9090

moderate-risk
Published 2025-08-17

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.

Do I need to act?

~
2.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
52418
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tenda

References (6)

Exploit https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md
Exploit https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit...
Permissions Required https://vuldb.com/?ctiid.320358
Third Party Advisory https://vuldb.com/?id.320358
Third Party Advisory https://vuldb.com/?submit.632232
Product https://www.tenda.com.cn/
34
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal