CVE-2026-71922

HighCVSS 7.5/10Last modified Oct 13, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Aug 24, 2026
Last modified
Oct 13, 2026
NVD status
Deferred

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CVE-2026-71922: High severity, CVSS 7.5 | Vulnix