Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Tenda | AC20 | 16.03.08.12 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Tenda AC20 16.03.08.12 - Command Injection EDB-52418 · remote · Aug 18, 2025
GitHub 1 repository
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byteReaper77/CVE-2025-9090 ★ 1 · Aug 17, 2025
Command Injection in Tenda AC20 16.03.08.12 (/goform/telnet)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- VDB-320358 | Tenda AC20 Telnet Service telnet websFormDefine command injection vdb-entry technical-description
- VDB-320358 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #632232 | Tenda AC20 V16.03.08.12 Command Injection third-party-advisory
- https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md related
- https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit-steps exploit
- https://www.tenda.com.cn/ product