CVE-2026-11556CWE-77CWE-78

Tenda F451 Web Management WriteFacMac formWriteFacMac os command injection

High · published June 8, 2026

CVSS v4.0
8.7
EPSS
2%
Percentile
75.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.01614 · 75.8th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-06-08T18:00Z
EPSS history
Timeline
  • 08 JUN 18:00Z
    Tenda F451 Web Management WriteFacMac formWriteFacMac os command injection
    cvelistv5