CVE-2026-71906: DrayTek VigorAP Multiple Models OS Command Injection via setLan
Multiple DrayTek VigorAP models contain a command injection vulnerability in the setLan function. The vulnerability is caused by insufficient validation of the lanIp and lanNetmask fields before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
A remote attacker with valid administrative credentials for the device's web management interface can exploit it. No user interaction is required.
What access and impact does exploitation involve?
The attacker submits crafted values in the lanIp or lanNetmask fields handled by setLan. Successful exploitation executes arbitrary operating-system commands with root privileges, affecting confidentiality, integrity, and availability.