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.
Metrics
Affected Vendors & Products
References
History
Thu, 02 Oct 2025 09:00:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Extreme Networks
Extreme Networks extremeguest Essentials |
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| Vendors & Products |
Extreme Networks
Extreme Networks extremeguest Essentials |
Wed, 01 Oct 2025 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Wed, 01 Oct 2025 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | ExtremeGuest Essentials Captive Portal Unauthenticated Brute Force | |
| Weaknesses | CWE-307 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: ExtremeNetworks
Published: 2025-10-01T17:19:16.743Z
Updated: 2025-10-01T17:29:42.134Z
Reserved: 2025-08-06T18:32:44.244Z
Link: CVE-2025-8679
Updated: 2025-10-01T17:29:38.894Z
Status : Awaiting Analysis
Published: 2025-10-01T18:15:46.880
Modified: 2025-10-02T19:11:46.753
Link: CVE-2025-8679
No data.