CVE-2025-61104

HIGH 7.5CVE-2025-61104 · Published 28/10/2025 · updated 17/06/2026

In short

CVE-2025-61104 is a HIGH (CVSS 7.5) vulnerability affecting frrouting (frrouting).
Chance of exploitation in the next 30 days (EPSS): 0.63%, higher than 50.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
frrouting frrouting	`≥ 4.0, ≤ 10.4.1`	No fix yet

Description

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_unknown_tlv function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.

References

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

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Package

Affected versions

Patched versions

frrouting

≥ 4.0, ≤ 10.4.1

No fix yet

More vulnerabilities in frrouting

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