CVE-2025-61100: Frrouting

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the ospf_opaque_lsa_dump function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of Service (DoS) under specific malformed LSA conditions.

Affected products

• Frrouting Frrouting: from 2.0, up to and including 10.4.1

Published 2025-10-27. Last modified 2026-06-17.