CVE-2025-61101
Unknown Unknown - Not Provided
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_rmt_itf_addr 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
2026-06-16
AI Q&A
2025-10-27
EPSS Evaluated
2026-06-15
NVD
CVE-2025-61101
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
frrouting frrouting From 4.0 (inc) to 10.4.1 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability is a NULL pointer dereference in the FRRouting software (versions 4.0 through 10.4.1) within the show_vty_ext_link_rmt_itf_addr function in 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

An attacker exploiting this vulnerability can cause a Denial of Service (DoS) by crashing the FRRouting software, potentially disrupting network routing and connectivity.

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