CVE-2026-73459

HIGH Status: Received

CVSS Scores

CVSS v3.x Base Score
7.4
HIGH

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.

Published
September 16, 2026 12:17 AM
Last Modified
September 16, 2026 12:17 AM
Source
[email protected]

Weaknesses (CWE)

CWE-354

References

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