CVE-2025-8870

mediumpriority · track · 0EPSS 0.002 · 7 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (7th) EPSS

CVSS 4.9 · medium

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-28

On affected platforms running Arista EOS, certain serial console input might result in an unexpected reload of the device.153

cvss

Technical severity, 0–10. One row per scoring source.

5.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.6

v3.14.9mediumCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · psirt@arista.comexploitability 0.5 · impact 4

v4.05.6mediumCVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Hsecondary · ENISA EU

v4.05.6mediumCVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · psirt@arista.com

v4.01.3lowCVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-248US

affected products (4)

Products and version ranges known to be affected.

Arista EOS 4.34.2FXall versionscert_bundDEcpe:/o:arista:arista_eos:4.34.2fx
Arista EOS <4.35.0Fall versionscert_bundDE
Arista EOS< 4.35.0Fcert_bundDE
Arista Networks EOS≤ 4.34.2FXenisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2570Arista EOS: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-11-11csaf · cert_bundDE
Ein Angreifer mit physischem Zugriff kann eine Schwachstelle in Arista EOS ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2025-11-14modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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