CVE-2025-6188

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CVSS 3.1

7.5 high

EPSS

<1%p35

Published

Aug 25, 2025 (Aug 25, 2025)

Modified

Jun 17, 2026

Description

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.

Weakness: CWE-290
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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