Riskcovery

CVE-2025-7048

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 o

State
Published
Severity
5.3 Medium
Published
Jan 6, 2026
Updated
Jan 6, 2026
Reserved
Jul 3, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.05.3 MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NArista
3.14.3 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LArista

Weaknesses

Affected Products

ProductVersions
EOSArista Networks
  • 4.34.3.0 through 4.34.3.1MAffected
  • 4.33.0 through 4.33.5MAffected
  • 4.32.0 through 4.32.7MAffected
  • 4.31.0 through 4.31.9MAffected
  • before 4.30.0Affected

References

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