CVE-2025-2796 Information

Description

On affected platforms with hardware IPSec support running Arista EOS with IPsec enabled and anti-replay protection configured EOS may exhibit unexpected behavior in specific cases. Received duplicate encrypted packets which should be dropped under normal anti-replay protection will instead be forwarded due to this vulnerability.

Note: this issue does not affect VXLANSec or MACSec encryption functionality.

Reference

https://www.arista.com/en/support/advisories-notices/security-advisory/21413-security-advisory-0119