OS Command Injection in Tenda F451 Web Management Interface
CVE-2026-11556
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-11556?
A security flaw in the Tenda F451 wireless router allows for OS command injection through the Web Management Interface. The vulnerability exists in the 'formWriteFacMac' function located at '/goform/WriteFacMac', where manipulation of the 'mac' argument can lead to remote command execution. This exploit has been publicly disclosed, making affected devices susceptible to potential attacks by malicious users.
Affected Version(s)
F451 1.0.0.7
F451 1.0.0.9
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
CVSS V4
Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved
Credit
hacker128 (VulDB User)