1. Home
  2. CVE Database
  3. CVE-2026-37458
MEDIUM · 6.5

CVE-2026-37458

Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE m...

Vulnerability Description

Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
FrroutingFrrouting>= 10.0, <= 10.6.0

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2026-37458?

CVE-2026-37458 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE m...

How severe is CVE-2026-37458?

CVE-2026-37458 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-37458?

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