CVE-2025-6188

highpriority · track · 0EPSS 0.004 · 36 %ileDEEU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.42% (36th) EPSS

CVSS 7.5 · high

Is it mine?

21 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

On affected platforms running Arista EOS, maliciously formed UDP packets with source port 3503 may be accepted by EOS. UDP Port 3503 is associated with LspPing Echo Reply. This can result in unexpected behaviors, especially for UDP based services that do not perform some form of authentication.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · psirt@arista.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · 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-290US

affected products (21)

Products and version ranges known to be affected.

Arista EOS <4.30.10all versionscert_bundDE
Arista EOS <4.31.7all versionscert_bundDE
Arista EOS <4.31.8Mall versionscert_bundDE
Arista EOS <4.32.5all versionscert_bundDE
Arista EOS <4.32.6Mall versionscert_bundDE
Arista EOS <4.33.2all versionscert_bundDE
Arista EOS <4.33.4Mall versionscert_bundDE
Arista EOS <4.34.1Fall versionscert_bundDE
Arista EOS< 4.30.10cert_bundDE
Arista EOS< 4.31.7cert_bundDE
Arista EOS< 4.31.8Mcert_bundDE
Arista EOS< 4.32.5cert_bundDE
Arista EOS< 4.32.6Mcert_bundDE
Arista EOS< 4.33.2cert_bundDE
Arista EOS< 4.33.4Mcert_bundDE
Arista EOS< 4.34.1Fcert_bundDE
Arista Networks EOS≤ 4.32.4.0 ≤4.32.4.1Menisa_euvdEU
Arista Networks EOS≤ 4.33.0 ≤4.33.1Fenisa_euvdEU
Arista Networks EOS≤ 4.30.0 ≤4.30.9.1Menisa_euvdEU
Arista Networks EOS≤ 4.31.0 ≤4.31.6Menisa_euvdEU

showing 20 of 21

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1624Arista EOS: Mehrere SchwachstellenDeutsch2025-07-22csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Arista EOS ausnutzen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.

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 2025-08-25modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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