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

Published Apr 25, 2026
·
Updated

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 Software

3 affected components
Tenda Tenda F453<=1.0.0.3
All of the following
Tenda F453 Firmware=1.0.0.3
Tenda F453

Event History

Apr 25, 2026
CVE Published
via MITRE·05:15 PM
Data Sourced
via MITRE·05:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 15, 58301
Event
via FIRST·01:48 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-6989?

CVE-2026-6989 is classified as a high severity vulnerability due to the potential for remote command injection.

2

How do I fix CVE-2026-6989?

To fix CVE-2026-6989, update the Tenda F453 firmware to version 1.0.0.4 or later.

3

What systems are affected by CVE-2026-6989?

CVE-2026-6989 affects Tenda F453 devices running firmware versions up to and including 1.0.0.3.

4

What type of attack is possible with CVE-2026-6989?

CVE-2026-6989 allows attackers to perform command injection via the Telnet service.

5

Is CVE-2026-6989 remotely exploitable?

Yes, CVE-2026-6989 is remotely exploitable, allowing an attacker to execute commands on the vulnerable device.

Contact

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