CVE-2025-7048

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

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

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/6/2026

Last Modified1/8/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-805

References

https://www.arista.com/en/support/advisories-notices/security-advisory/23120-security-advisory-0132(psirt@arista.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.