Tenda AC20 Telnet Service telnet websFormDefine command injection
38Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 14%
from disclosure to weapon0 days
Published on NVDAug 17
1st PoCAug 17
exploitation probability
14%top 4% of all CVEs
observed exploitation
nono source reports it
3 public exploit(s)
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 · AC20public PoCs found — 3
exploitdbwww.exploit-db.com/exploits/52418unverifiedgithubgithub.com/byteReaper77/CVE-2025-9090★ 1cve_referencegithub.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit-stepsunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.