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VigorSwitch PQ2300xb

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critical advisory

Critical OS Command Injection in DrayTek VigorSwitch

Multiple DrayTek VigorSwitch models contain a pre-authentication command injection vulnerability (CVE-2026-71921) in the setget.cgi interface that allows unauthenticated remote attackers to execute arbitrary commands as root.

VigorSwitch G2540xs +10 vulnerability remote-code-execution network-infrastructure cve network-security network hardware
1r 3t 1c