Is CVE-2026-71918 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-71918?

CVE-2026-71918 has a CVSS v3 severity of HIGH (7.2).

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CVE-2026-71918

Description

Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the webBackupAction function. The vulnerability is caused by insufficient filtering of the option, key, pw_encode, 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.