CVE-2025-8679 — ExtremeGuest Essentials Captive Portal Unauthenticated Brute Force
In ExtremeGuest Essentials before 25.5.0, captive-portal may permit unauthorized access via manual brute-force procedure. Under certain ExtremeGuest Essentials captive-portal SS…
Published: 2025-10-01 · CVSS: 7.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7