PT-2026-92429 · Arista · Eos

CVE-2026-73458

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Published

2026-09-15

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Updated

2026-09-17

CVSS v3.1

8.2

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Name of the Vulnerable Software and Affected Versions Arista EOS (affected versions not specified)
Description On platforms running Arista EOS with authenticated Bidirectional Forwarding Detection (BFD) sessions configured, a specially crafted packet can cause these sessions to crash or go down. This disruption may lead to undesirable network changes, as various routing protocols rely on BFD session status for monitoring.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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Weakness Enumeration

Related Identifiers

CVE-2026-73458

Affected Products

Eos