HIGH 7.0 NVD

CVE-2026-73460

On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthenticated attacker who can inject a malformed IS-IS LSP PDU packet can ca

On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthenticated attacker who can inject a malformed IS-IS LSP PDU packet can cause the IS-IS graceful restart procedure to terminate prematurely. This may result in traffic loss following a restart event.

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24716-security-advi

Published: 2026-09-16 · Source: NVD · Feed updated: 2026-09-16

This high severity vulnerability with a CVSS score of 7.0 was published on 2026-09-16 via NVD.

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