CVE-2025-61100

HIGH 7.5CVE-2025-61100 · Published 27/10/2025 · updated 17/06/2026

In short

CVE-2025-61100 is a HIGH (CVSS 7.5) vulnerability affecting frrouting (frrouting).
Chance of exploitation in the next 30 days (EPSS): 0.50%, higher than 42.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
frrouting frrouting	`≥ 2.0, ≤ 10.4.1`	No fix yet

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.

References

FRRouting/frr · Exploit
FRRouting/frr#19480 · Issue Tracking
FRRouting/frr#19480 · Patch
s1awwhy/BugList · Third Party Advisory

More vulnerabilities in frrouting

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

frrouting

≥ 2.0, ≤ 10.4.1

No fix yet

More vulnerabilities in frrouting

See all →