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VULNERABILITIES

CVE-2026-73458 Details

Description

On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detection (BFD) sessions configured, a specially crafted packet can cause the BFD session(s) to go down. This may result in undesirable network changes because various routing protocols monitor status on BFD session(s).

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.arista.com/en/support/advisories-notices/security-advisory/24710-security-advisory-0154 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-303Incorrect Implementation of Authentication Algorithm[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-73458
NVD Published Date:
Sep 15, 2026
NVD Last Modified:
Sep 16, 2026
Source:
[email protected]
CVE-2026-73458 Details - Not Deferred