PT-2026-144648
CVE-2026-121368
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Published
2026-11-10
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Updated
2026-11-10
Description by
CVSS 3.1
8.6
HighMetricsAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
On affected platforms running Arista EOS with Bidirectional Forwarding Detection (BFD) configured to use keyed MD5 or keyed SHA1 authentication, an unauthenticated attacker with network adjacency (direct or multi-hop) to a BFD-enabled interface can send a specially crafted BFD packet resulting in a system reboot.
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