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CVE-2025-6188

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CVE-2025-6188

Published: Aug 25, 2025

Modified: Aug 27, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

VendorProductVersions

Arista Networks

EOS

affected
4.33.0 - <= 4.33.1F
affected
4.33.1.0 - <= 4.33.1.2F
affected
4.32.4.0 - <= 4.32.4.1M
affected
4.31.0 - <= 4.31.6M
affected
4.30.0 - <= 4.30.9.1M

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

References

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