CVE-2026-72758

Routinator may exit on malformed ranges

HIGH
7.5
CVSS Score
Published: October 26, 2026 at 05:07 PM UTC
Updated: October 26, 2026 at 06:35 PM UTC
Products not identified yet

Using Routinator by NLnet Labs?

Get instant alerts when new vulnerabilities affect Routinator - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

When parsing an AS range in Routinator, if the maximum value of the range is smaller than the minimum value of the range, Routinator will never reach the maximum value and run out of memory.

Affected

We have no canonical product record for this CVE. The source names may not have matched any product.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHNLnet Labs
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-755

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card