CVE-2026-121370

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

Description An unauthenticated attacker with network access to a PTP-enabled port can cause a denial of service (DoS) condition by sending traffic to the system. This issue occurs on platforms where Precision Time Protocol (PTP), a protocol used to synchronize clocks throughout a computer network, is configured.

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