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P4Verified

CVE-2025-8679: extremeguest essentials before 25.5.0 (exclusive); +1 more affected products

CVE-2025-8679. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.00339 (percentile 0.25431), scored 11-Oct-2026.

Affected technology

extremeguest essentials · before 25.5.0 (exclusive)
extremenetworks

ExtremeGuest Essentials · 25.4.0
Extreme Networks

Description’s affected range: before 25.5.0

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Adjacent network · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 7.6/10) rates confidentiality and integrity impact as high; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-307
CCR priority
39.3 /100 (P4)
CVSS 3.1
9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS
0.00339 · percentile 0.25431 · 2026-10-11
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2025-8679.html