CVE-2025-61106

HIGH

FRRouting 4.0-10.4.1 - Denial of Service via OSPF Packet Handling in ospf_ext.c

Title source: llm
STIX 2.1

Description

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.0053
EPSS Percentile 40.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (1)
frrouting/frrouting 4.0 - 10.4.1
Published Oct 28, 2025
Tracked Since Feb 18, 2026