Feed/CVE-2026-73459
CVE-2026-73459HIGHCVSS 7.4

CVE-2026-73459

Published Sep 16, 2026·Updated Sep 16, 2026

NVD Description

On affected platforms running Arista EOS with IS-IS configured, an unauthenticated attacker who can inject a specially crafted IS-IS LSP PDU can cause the legitimate LSP to be unexpectedly purged from the IS-IS link-state database. This may result in traffic loss.

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

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