CVE-2026-71919: DrayTek VigorSwitch Multiple Models OS Command Injection via sysreboot
Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the sysreboot function. The vulnerability is caused by insufficient filtering of the config, act, pathN, and valueN 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
What access does an attacker need to exploit this issue?
The attacker must have valid administrative credentials for the device's web management interface. The issue can then be triggered remotely by sending crafted input to the vulnerable fields.
What level of impact can successful exploitation have?
Successful exploitation allows arbitrary operating-system commands to be executed with root privileges. This can affect the confidentiality, integrity, and availability of the device.
Which inputs are involved in the vulnerable request?
The affected sysreboot function insufficiently filters the config, act, pathN, and valueN fields before command execution.