P5Verified

CVE-2025-8870: EOS 4.34.2FX

CVE-2025-8870. CVSS 3.1 base score 4.9 (MEDIUM, Vendor/CNA). EPSS 0.00166 (percentile 0.05274), scored 2026-10-06.

Affected technology

EOS · 4.34.2FX
Arista Networks

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Physical access · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 5.6/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-07 23:05:59.060187+00:00

CWE: CWE-248
CCR priority: 19.6 /100 (P5)
CVSS 3.1: 4.9 /10 · CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.00166 · percentile 0.05274 · 2026-10-06
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 23:02:50.240617+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-8870.html