CVE-2025-8679 — ExtremeGuest Essentials Captive Portal Unauthenticated Brute Force

CVE-2025-8679

ExtremeGuest Essentials Captive Portal Unauthenticated Brute Force PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Extreme Networks / ExtremeGuest Essentials	affected 25.4.0

CWE

CWE-307

References

https://extreme-networks.my.site.com/ExtrArticleDetail?an=000130289

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.