PT-2026-144641

CVE-2026-121290

·

Published

2026-11-10

·

Updated

2026-11-10

Description by

CVSS 3.1
8.2
High
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
On affected platforms running Arista EOS with Border Gateway Protocol (BGP) changing the BGP listen port from its default value disables default protective Access Control List (ACL) rules against unexpected BGP peering attempts.
Exploitability
Fix
Vendors
Affected products
Weakness enumeration
CWE-420: Unprotected Alternate Channel
Related identifiers
CVE-2026-121290
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