ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities
The security of our products is important to us as your industrial automation supplier. This security issue was found internally during routine testing and is being reported based on our commitment to customer transparency and improvement of all business environments.
Product Description
ArmorStart® LT is a compact, pre-engineered distributed motor control solution designed for material handling applications, offering full-voltage, reversing, or variable speed motor control with integrated network connectivity and IP66-rated enclosures for on-machine use.
Affected products and solution
Affected Product |
CVE |
Affected Software Version |
Corrected in Software Version |
Affected Catalogs |
ArmorStart® LT |
CVE-2025-9464 |
V2.002 and below |
Not available |
|
ArmorStart® LT |
CVE-2025-9465 |
V2.002 and below |
Not available |
|
ArmorStart® LT |
CVE-2025-9466 |
V2.002 and below |
Not available |
|
ArmorStart® LT |
CVE-2025-9278 |
V2.002 and below |
Not available |
|
ArmorStart® LT |
CVE-2025-9279 |
V2.002 and below |
Not available |
|
ArmorStart® LT |
CVE-2025-9280 |
V2.002 and below |
Not available |
|
ArmorStart® LT |
CVE-2025-9281 |
V2.002 and below |
Not available |
|
ArmorStart® LT |
CVE-2025-9282 |
V2.002 and below |
Not available |
|
ArmorStart® LT |
CVE-2025-9283 |
V2.002 and below |
Not available |
Security Issue Details
Category |
Details |
CVE ID |
CVE-2025-9464 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. This vulnerability is triggered during fuzzing of multiple CIP classes, which causes the CIP port to become unresponsive. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Category |
Details |
CVE ID |
CVE-2025-9465 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles Comprehensive grammar tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Category |
Details |
CVE ID |
CVE-2025-9466 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP and CIP grammar tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Category |
Details |
CVE ID |
CVE-2025-9278 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. After running a Burp Suite active scan, the device loses ICMP connectivity, causing the web application to become inaccessible. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Category |
Details |
CVE ID |
CVE-2025-9279 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP Step Limit Storm tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Category |
Details |
CVE ID |
CVE-2025-9280 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. Fuzzing performed using Defensics causes the device to become unresponsive, requiring a reboot. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Category |
Details |
CVE ID |
CVE-2025-9281 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles Comprehensive step limit storm tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Category |
Details |
CVE ID |
CVE-2025-9282 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles Comprehensive limited storm tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Category |
Details |
CVE ID |
CVE-2025-9283 |
Impact |
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP Step Limits Storms tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Mitigations and Workarounds
Customers using the affected software, who are not able to upgrade to one of the corrected versions, should use our security best practices.
Revision History
Revision |
Date |
Description |
1.0 |
January 20, 2026 |
Initial release |
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Support
If you have any questions regarding the security issue(s) above and how to mitigate them, contact TechConnect for help. More information can be found at Contact Us | Rockwell Automation | US.
If you have any questions regarding this disclosure, please contact PSIRT
Email: rasecure@ra.rockwell.com
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