CVE-2026-73436
Security Advisory 0171
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
On affected platforms running Arista EOS with OSPFv2 and OSPFv2 segment routing configured, a specially crafted OSPFv2 packet from an adjacent OSPF neighbor may cause OSPF to restart unexpectedly.
| CWE | CWE-1284 CWE-125 |
| Vendor | arista networks |
| Product | eos |
| Published | Sep 16, 2026 |
| Last Updated | Sep 16, 2026 |
Stay Ahead of the Next One
Get instant alerts for arista networks eos
Be the first to know when new medium vulnerabilities affecting arista networks eos are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Arista Networks / EOS
4.36.0F ≤ 4.36.1F 4.35.0F ≤ 4.35.5M 4.34.0F ≤ 4.34.7.1M 4.33.0F ≤ 4.33.9M 1.0.0 < 4.33.0F