Is CVE-2026-71922 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-71922?

CVE-2026-71922 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-71922

Description

Multiple DrayTek VigorSwitch models contain a pre-authentication null pointer dereference vulnerability in the setget.cgi interface. The vulnerability is caused by missing validation when the pass field is absent. A remote attacker can trigger this vulnerability via a crafted request to crash the service and cause a denial of service.