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CVE-2025-7048

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CVE-2025-7048

Published: Jan 6, 2026

Modified: Jan 6, 2026

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

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.

VendorProductVersions

Arista Networks

EOS

affected
4.34.3.0 - <= 4.34.3.1M
affected
4.33.0 - <= 4.33.5M
affected
4.32.0 - <= 4.32.7M
affected
4.31.0 - <= 4.31.9M
affected
0 - < 4.30.0

Weaknesses (CWE)

CWE-805

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

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