CVE-2026-121370 Security Advisory 0224
CriticalCVSS 9.2
- Published
- Updated
- Exploit status
- No public exploit known
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
| Product | Affected versions | Fixed in |
|---|---|---|
| Arista Networks EOS | >= 4.34.0F, <= 4.34.1F | No fix listed |
| Arista Networks EOS | >= 4.33.0F, <= 4.33.8M | No fix listed |
| Arista Networks EOS | >= 4.32.0F, < 4.33.0F | 4.33.0F |
| Arista Networks EOS | >= 4.31.0F, < 4.32.0F | 4.32.0F |
| Arista Networks EOS | >= 4.30.0F, < 4.31.0F | 4.31.0F |
| Arista Networks EOS | >= 4.29.2F, < 4.30.0F | 4.30.0F |
References
- www.arista.com vendor-advisory