CVE-2026-73460 [MEDIUM] – On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthent

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.