Denial of Service Vulnerability in ArmorStart LT by Rockwell Automation
CVE-2025-9464

8.7HIGH

Key Information:

Vendor

Rockwell Automation
Status
Armorstart® Lt
Vendor
CVE Published:
20 January 2026

What is CVE-2025-9464?

A security flaw in ArmorStart® LT can lead to a denial-of-service condition, allowing potential disruptions in operations. This vulnerability is triggered by fuzzing multiple CIP classes, which may cause the CIP port to become unresponsive, impacting system integrity and availability.

Affected Version(s)

ArmorStart® LT V2.002 and below

References

https://www.rockwellautomation.com/en-us/trust-center/sec...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.