VULNERABILITY INTELLIGENCE

CVE-2025-8679

CVSS score7.6 HIGH
EPSS probability0.34%
CISA KEVNot currently listed
Published2025-10-01
Last modified2026-10-12
CVSS vectorCVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Description

In ExtremeGuest Essentials before 25.5.0, captive-portal may permit unauthorized access via manual brute-force procedure. Under certain ExtremeGuest Essentials captive-portal SSID configurations, repeated manual login attempts may allow an unauthenticated device to be marked as authenticated and obtain network access. Client360 logs may display the client MAC as the username despite no MAC-authentication being enabled.

Weakness classification

  • CWE-307: Improper Restriction of Excessive Authentication Attempts

Primary references