CVE-2025-61102

HIGH7.5

FRRouting/frr from v4

Published Oct 27, 2025

Modified 4 months ago

Details

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.

References

WEB

https://github.com/FRRouting/frr/issues/19471

WEB

https://github.com/FRRouting/frr/pull/19480

WEB

https://github.com/FRRouting/frr/pull/19480/commits/fdd957408605d4a1766225630aafc7e6b7c3daf3

WEB

https://github.com/s1awwhy/BugList/blob/main/CVE-2025-61102.md

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2025-61102

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedOct 27, 2025

ModifiedOct 28, 2025