Vulnerability · Published Apr 25, 2026 · Assigned by VulDB
CVE-2026-6989Tenda F453 Telnet Service telnet TendaTelnet command injection
Medium 6.3
In plain English
A medium-severity command injection in F453 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)3.2%top 11.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such 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 (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-359541 | Tenda F453 Telnet Service telnet TendaTelnet command injection vdb-entry, technical-description
- VDB-359541 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #796560 | Tenda Tenda F453 Router <= V1.0.0.3 Remote Command Execution third-party-advisory
- https://github.com/alc9700jmo/CVE/issues/24 exploit, issue-tracking
- https://www.tenda.com.cn/ product