Vulnerability · Published May 11, 2026 · Assigned by VulDB
CVE-2026-8259Tenda AC6 httpd telnet os command injection
Medium 4.7
In plain English
A medium-severity OS command injection in AC6 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.9% (higher than 92% of all known vulnerabilities).
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)4.9%top 7.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in Tenda AC6 2.0/15.03.06.23. The affected element is an unknown function of the file /goform/telnet of the component httpd. The manipulation of the argument lan.ip leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-362556 | Tenda AC6 httpd telnet os command injection vdb-entry, technical-description
- VDB-362556 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #809877 | Tenda AC6 V2.0 (AC1206) Firmware V15.03.06.23 Command Injection third-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/Tenda%20AC6V2%20TendaTelnet%20Command%20Injection.md exploit
- https://www.tenda.com.cn/ product