VULNERABILITY INTELLIGENCE

CVE-2026-71922

CVSS score8.7 HIGH
EPSS probability0.69%
CISA KEVNot currently listed
Published2026-08-24
Last modified2026-10-13
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references