Home

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.

PUBLISHED Reserved 2025-07-03 | Published 2026-01-06 | Updated 2026-01-06 | Assigner Arista




MEDIUM: 5.3CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

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

Problem types

CWE-805

Product status

Default status
unaffected

4.34.3.0 (custom)
affected

4.33.0 (custom)
affected

4.32.0 (custom)
affected

4.31.0 (custom)
affected

Any version before 4.30.0
affected

References

www.arista.com/...rity-advisory/23120-security-advisory-0132

cve.org (CVE-2025-7048)

nvd.nist.gov (CVE-2025-7048)

Download JSON