CVE-2025-7048

published 2026-01-06

CVE-2025-7048: On affected platforms running Arista EOS with MACsec configuration, a specially crafted packet can cause the MACsec process to terminate unexpectedly…

Priority P4 20 medium 4.3 CVSS 3.1

AV A AC L PR N UI N S U C N I N A L

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.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
arista_networks	eos	< 4.30.0	4.30.0
arista_networks	eos	4.31.0 – 4.31.9M	—
arista_networks	eos	4.32.0 – 4.32.7M	—
arista_networks	eos	4.33.0 – 4.33.5M	—
arista_networks	eos	4.34.3.0 – 4.34.3.1M	—

CVSS provenance

nvd v3.1 4.3 MEDIUM CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

nvd v4.0 5.3 MEDIUM CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-805