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HIGH · 7.5

CVE-2025-9166

A denial-of-service security issue exists in the affected product and version. The security issue stems from the controller repeatedly attempting to forward messages. The issue could result in a major...

Vulnerability Description

A denial-of-service security issue exists in the affected product and version. The security issue stems from the controller repeatedly attempting to forward messages. The issue could result in a major nonrecoverable fault on the controller.

CVSS Score

7.5

HIGH

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

Affected Products

VendorProductVersions
RockwellautomationControllogix 5580 Firmware35.013
RockwellautomationControllogix 5580-

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2025-9166?

CVE-2025-9166 is a vulnerability with a CVSS score of 7.5 (HIGH). A denial-of-service security issue exists in the affected product and version. The security issue stems from the controller repeatedly attempting to forward messages. The issue could result in a major...

How severe is CVE-2025-9166?

CVE-2025-9166 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-9166?

Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Controllogix 5580 Firmware, Rockwellautomation Controllogix 5580.