CVE-2026-71930: DrayTek VigorSwitch Multiple Models OS Command Injection via setTime
Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the setTime function. The vulnerability is caused by insufficient filtering of the username and password 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 vulnerability?
A remote attacker who has valid administrative credentials for the VigorSwitch web management interface can exploit it. No user interaction is required.
What level of access can exploitation provide?
Successful exploitation allows execution of arbitrary operating system commands with root privileges on the affected device. This can fully compromise the confidentiality, integrity, and availability of the switch.
Which inputs are involved in the vulnerable operation?
The issue is in the setTime function, where username and password fields are insufficiently filtered before command execution. Crafted input in those fields can be used to inject commands.