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CVE-2025-9090

Tenda AC20 Telnet Service telnet websFormDefine command injection

CVSS 5.3 MEDIUMEPSS 14.1%CWE-74CWE-77
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.
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
Affected products
Tenda · AC20
public PoCs found — 3
githubgithub.com/byteReaper77/CVE-2025-9090★ 1cve_referencegithub.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit-stepsunverifiedexploitdbwww.exploit-db.com/exploits/52418unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.mdhttps://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit-stepshttps://vuldb.com/?ctiid.320358https://vuldb.com/?id.320358https://vuldb.com/?submit.632232https://www.tenda.com.cn/