CVE-2026-73436 MEDIUM

CVE-2026-73436: Security Advisory 0171

Vendor Arista Networks
Product EOS
Weakness CWE-1284
Published September 16, 2026
Last update September 16, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 16, 2026 CVE published
September 16, 2026 Record updated

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