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

CVE ID : CVE-2025-7048

Published : Jan. 6, 2026, 7:15 p.m. | 1 hour, 11 minutes ago

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.

Severity: 5.3 | MEDIUM

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