CVE-2026-11556 HIGH

CVE-2026-11556: Tenda F451 Web Management WriteFacMac formWriteFacMac os command injection

Vendor Tenda
Product F451
Weakness CWE-78
Published June 8, 2026
Last update June 9, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 8, 2026 CVE published
June 9, 2026 Record updated

Related vulnerabilities

04Related CVE