BaseFortify

Publication date: 2025-10-27

Last updated on: 2025-11-03

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_link_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.

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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-2025-61102

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 in FRRouting/frr versions 4.0 through 10.4.1 is caused by a NULL pointer dereference in the show_vty_ext_link_adj_sid function within the ospf_ext.c file. An attacker can exploit this by sending a specially crafted OSPF packet, which triggers the vulnerability.

Impact Analysis

Exploiting this vulnerability can cause a Denial of Service (DoS) condition, meaning the affected system or service may crash or become unavailable due to the NULL pointer dereference triggered by the crafted OSPF packet.

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