CVE-2026-37458: Frrouting

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.

Affected products

• Frrouting Frrouting: from 10.0, up to and including 10.6.0

Published 2026-05-04. Last modified 2026-06-17.