CVEvulnerability
CVE-2025-61103
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2025-10-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
Description
FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_lan_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.
Affected configurations
• frrouting frrouting (>= 4.0 <= 10.4.1)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://github.com/FRRouting/frr/issues/19471 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/FRRouting/frr/pull/19480 Issue Tracking, Third Party Advisory
- https://github.com/FRRouting/frr/pull/19480/commits/fdd957408605d4a1766225630aafc7e6b7c3daf3 Patch
- https://github.com/s1awwhy/BugList/blob/main/CVE-2025-61103.md Third Party Advisory