๐Ÿ” CVE Alert

CVE-2026-73455

HIGH 7.5

Security Advisory 0173

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

On affected platforms running Arista EOS with Open Shortest Path First version 3 (OSPFv3) configured, a specially crafted packet can cause the OSPFv3 agent to restart unexpectedly.

CWE CWE-130
Vendor arista networks
Product eos
Published Sep 16, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/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
1.0.0 < 4.33.0F 4.33.0F โ‰ค 4.33.8M 4.34.0F โ‰ค 4.34.6M 4.35.0F โ‰ค 4.35.4M 4.36.0F โ‰ค 4.36.0.1F

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
arista.com: https://www.arista.com/en/support/advisories-notices/security-advisory/24729-security-advisory-0173