SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-71921

CRITICAL · CVSS 9.8 EPSS 3.25%

Source: NVD + CISA KEV + EPSS · Published 2026-08-24 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

Multiple DrayTek VigorSwitch models are vulnerable to a pre-authentication command injection due to inadequate input filtering in the setget.cgi interface. This critical vulnerability allows remote attackers to execute arbitrary commands with root privileges, potentially compromising the entire device. Network administrators and security teams managing these switches should prioritize immediate remediation to prevent unauthorized access and control.

CVE
CVE-2026-71921
Severity
CRITICAL
CVSS
9.8
EPSS
3.25%

Original NVD 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.