CVE-2026-121295

Name of the Vulnerable Software and Affected Versions Arista EOS (affected versions not specified)

Description An unauthenticated attacker can send a crafted S-BFD PDU (Protocol Data Unit) to an initiator device on platforms configured as S-BFD peers. This action can cause the kernel on the initiator device to crash, leading to an unexpected device reboot.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.