What is CVE-2025-61100?

CVE-2025-61100 is a high-severity vulnerability in Frrouting, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-10-27.

How severe is CVE-2025-61100?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Frrouting

CVE-2025-61100

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.

EPSS: 0.005 (38.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Frrouting
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@mitre.org (Third Party Advisory, Issue Tracking)
cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
cve@mitre.org (Patch)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-61100?: CVE-2025-61100 is a high-severity vulnerability in Frrouting, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-10-27.
How severe is CVE-2025-61100?: High severity. CVSS v3 base score is 7.5 out of 10.