CVE-2026-11556

High

Description

A security flaw has been discovered in Tenda F451 1.0.0.7/1.0.0.9. Impacted is the function formWriteFacMac of the file /goform/WriteFacMac of the component Web Management Interface. Performing a manipulation of the argument mac results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda F451 Firmware
PublishedJun 8, 2026
First seenJun 8, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tenda f451_firmware1.0.0.7, 1.0.0.9—

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