CVE-2026-6989: Tenda F453 Telnet Service telnet TendaTelnet command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-25 · updated 2026-10-26
Weakness: CWE-74

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

Tenda F453: 1.0.0.3

References

https://github.com/alc9700jmo/CVE/issues/24
https://vuldb.com/submit/796560
https://vuldb.com/vuln/359541
https://vuldb.com/vuln/359541/cti
https://www.tenda.com.cn/

Get alerted when CVE-2026-6989 or the next vulnerability affects your stack