BaseFortify

Publication date: 2025-10-28

Last updated on: 2025-10-31

Assigner: MITRE

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.

CVSS Scores

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Meta Information

Published

2025-10-28

Last Modified

2025-10-31

Generated

2026-07-06

AI Q&A

2025-10-28

EPSS Evaluated

2026-07-05

NVD

CVE-2025-61106

EUVD

EUVD-2025-36529

Affected Vendors & Products

Vendor	Product	Version / Range
frrouting	frrouting	From 4.0 (inc) to 10.4.1 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability is a NULL pointer dereference in the FRRouting software versions 4.0 through 10.4.1, specifically in the show_vty_ext_pref_pref_sid function within the ospf_ext.c file. It can be triggered by an attacker sending a specially crafted OSPF packet, causing the software to crash or become unresponsive.

Impact Analysis

The vulnerability can cause a Denial of Service (DoS) condition, meaning that the affected FRRouting software could crash or stop functioning properly when processing malicious OSPF packets, potentially disrupting network routing and availability.

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