VULNERABILITY INTELLIGENCE
CVE-2026-71921
CVSS score9.8 CRITICAL
EPSS probability2.79%
CISA KEVNot currently listed
Published2026-08-24
Last modified2026-10-13
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Multiple DrayTek VigorSwitch models contain a pre-authentication command injection vulnerability in the setget.cgi interface. The vulnerability is caused by insufficient filtering of the pass field before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges.
Weakness classification
- disclosure@vulncheck.com: CWE-78