CVE-2025-7048

mediumpriority · track · 0EPSS 0.002 · 8 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.19% (8th) EPSS

CVSS 4.3 · medium

Is it mine?

15 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 with MACsec configuration, a specially crafted packet can cause the MACsec process to terminate unexpectedly. Continuous receipt of these packets with certain MACsec configurations can cause longer term disruption of dataplane traffic.

cvss

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

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.3

v3.14.3mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · psirt@arista.comexploitability 2.8 · impact 1.4

v4.05.3mediumCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.05.3mediumCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/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:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/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.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-805US

affected products (15)

Products and version ranges known to be affected.

Arista EOS <4.31.10Mall versionscert_bundDE
Arista EOS <4.32.8Mall versionscert_bundDE
Arista EOS <4.33.6Mall versionscert_bundDE
Arista EOS <4.34.4Mall versionscert_bundDE
Arista EOS <4.35.0Fall versionscert_bundDE
Arista EOS< 4.31.10Mcert_bundDE
Arista EOS< 4.32.8Mcert_bundDE
Arista EOS< 4.33.6Mcert_bundDE
Arista EOS< 4.34.4Mcert_bundDE
Arista EOS< 4.35.0Fcert_bundDE
Arista Networks EOS≤ 4.33.0 ≤4.33.5Menisa_euvdEU
Arista Networks EOS≤ 4.34.3.0 ≤4.34.3.1Menisa_euvdEU
Arista Networks EOS≤ 4.31.0 ≤4.31.9Menisa_euvdEU
Arista Networks EOS≤ 4.32.0 ≤4.32.7Menisa_euvdEU
Arista Networks EOS0 → 4.30.0enisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2938Arista EOS: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-12-30csaf · cert_bundDE
Ein Angreifer aus einem angrenzenden Netzwerk 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 2026-01-06modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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