BaseFortify

Publication date: 2025-10-27

Last updated on: 2025-11-03

Assigner: MITRE

Description

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.

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Meta Information

Published

2025-10-27

Last Modified

2025-11-03

Generated

2026-07-06

AI Q&A

2025-10-27

EPSS Evaluated

2026-07-05

NVD

CVE-2025-61100

Affected Vendors & Products

Vendor	Product	Version / Range
frrouting	frrouting	From 2.0 (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 in FRRouting/frr versions 2.0 through 10.4.1 is a NULL pointer dereference in the ospf_opaque_lsa_dump function within the ospf_opaque.c file. It can be triggered by specific malformed Link State Advertisements (LSAs), causing the software to crash or become unresponsive.

Impact Analysis

An attacker can exploit this vulnerability to cause a Denial of Service (DoS) by sending specially crafted malformed LSAs, which may crash or disrupt the FRRouting service, potentially affecting network availability.

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