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Critical severity9.8NVD Advisory· Published Oct 1, 2025· Updated Jun 17, 2026

CVE-2025-8679

CVE-2025-8679

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Extremenetworks/Extremeguest Essentialsllm-create3 versions
    <25.5.0+ 2 more
    • (no CPE)range: <25.5.0
    • cpe:2.3:a:extremenetworks:extremeguest_essentials:*:*:*:*:*:*:*:*range: <25.5.0
    • (no CPE)range: 25.4.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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