CVE-2026-73455 | Arista EOS up to 4.36.0.1F OSPFv3 input validation

September 16, 2026 Yanac

A vulnerability identified as critical has been detected in Arista EOS up to 4.32.x/4.33.8M/4.34.6M/4.35.4M/4.36.0.1F. Affected by this vulnerability is an unknown functionality of the component OSPFv3. Performing a manipulation results in improper input validation.

This vulnerability was named CVE-2026-73455. The attack may be initiated remotely. There is no available exploit.

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