Improper Authorization in ExtremeCloud IQ Essentials - CVE-2025-8679
Published: October 1, 2025
Vulnerability identifier: #VU116272
CSH Severity: Medium
CVSS v4: 6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-8679
CWE-ID: CWE-285
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to improper authorization checks. 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.
Affected software
ExtremeCloud IQ Essentials
How to mitigate CVE-2025-8679
Install updates from vendor's website.
ExtremeCloud IQ Essentials - update to 25.5.0