CVE-2025-61101

7.5 HIGH
Published: October 27, 2025 Modified: November 03, 2025
View on NVD

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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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/FRRouting/frr/issues/19471
Source: cve@mitre.org
Exploit Issue Tracking Third Party Advisory
https://github.com/FRRouting/frr/pull/19480
Source: cve@mitre.org
Issue Tracking Third Party Advisory
https://github.com/FRRouting/frr/pull/19480/commits/fdd957408605d4a1766225630aafc7e6b7c3daf3
Source: cve@mitre.org
Patch
https://github.com/s1awwhy/BugList/blob/main/CVE-2025-61101.md
Source: cve@mitre.org
Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.1%
23th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-476

Affected Vendors

frrouting

Related CVEs

CVE-2025-69261 N/A
CVE-2025-69257 6.7
CVE-2025-69210 N/A
CVE-2025-66823 N/A
CVE-2025-50343 N/A