CVE-2026-71918

Name of the Vulnerable Software and Affected Versions DrayTek VigorSwitch (affected versions not specified)

Description A command injection issue exists in the webBackupAction() function. The flaw stems from insufficient filtering of the option, key, pw encode, pathN, and valueN fields before they are used in command execution. A remote attacker with valid administrative credentials for the web management interface can provide crafted input to execute arbitrary commands with root privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.