Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Arista Networks | EOS | 4.34.0F – ≤ 4.34.1F, 4.33.0F – ≤ 4.33.8M, 4.32.0F – < 4.33.0F, 4.31.0F – < 4.32.0F, 4.30.0F – < 4.31.0F, 4.29.2F – < 4.30.0F | 4.33.0F |
Advisories 1
- WID-SEC-2026-4509 Arista EOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026