CriticalCritical vulnerability
CVE-2026-121370 (CVSS 9.2)
NVD · officialPublished Nov 10, 2026Risk 50/100
On affected platforms running Arista EOS with Precision Time Protocol (PTP) configured, an unauthenticated attacker with network access to a PTP-enabled port can create a denial of service (DoS) condition by sending traffic to the system.
Technical details
CVSS
9.2
AV:NetworkAC:LowPR:NoneUI:None
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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