CVE-2026-72758 Routinator - Denial of Service

Routinator contains a denial of service caused by improper handling of AS range where maximum value is smaller than minimum value, letting attackers cause memory exhaustion, exploit requires crafted AS range input.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
26 October 2026
Updated
27 October 2026
Weakness
CWE-755

Vendor fix

Update to the latest version with AS range validation fixes.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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