CVE-2025-61102 — HIGH (7.5)

Q: How severe is CVE-2025-61102?

CVE-2025-61102 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-61102?

Check the references section above for vendor advisories and patch information. Affected products include: Frrouting Frrouting.

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Frrouting	Frrouting	>= 4.0, <= 10.4.1

Related Weaknesses (CWE)

CWE-476

References

https://github.com/FRRouting/frr/issues/19471ExploitIssue TrackingThird Party Advisory
https://github.com/FRRouting/frr/pull/19480Issue TrackingThird Party Advisory
https://github.com/FRRouting/frr/pull/19480/commits/fdd957408605d4a1766225630aafPatch
https://github.com/s1awwhy/BugList/blob/main/CVE-2025-61102.mdThird Party Advisory

FAQ

What is CVE-2025-61102?

CVE-2025-61102 is a vulnerability with a CVSS score of 7.5 (HIGH). FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a De...

How severe is CVE-2025-61102?

CVE-2025-61102 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-61102?

Check the references section above for vendor advisories and patch information. Affected products include: Frrouting Frrouting.