CVE-2026-71918 — DrayTek VigorSwitch Multiple Models OS Command Injection via webBackupAction
Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the webBackupAction function. The vulnerability is caused by insufficient filtering of the optio…
Published: 2026-08-24 · CVSS: 8.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7