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CVE-20XX-?

CVE-2026-37458

6.5 MEDIUM 0.2% exploit odds Fix listed Denial of service

What it is

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.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. High risk of service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-04 16:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:41 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-04 16:16 UTC
Last modified: 2026-06-17 10:41 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-20 · Improper input validation
Record status: Analyzed

Affected

Frrouting ≤ 10.6.0

Attack profile CVSS 3.1 · 6.5

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

Meme: I wake up, CVE-2026-37458

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Fix and advisories

https://github.com/FRRouting/frr/commit/8102a8aeceb9f86fdfe1f80cd77080522bab69c8

References

NVD record · CVE.org record