1756-ENT2R, EN4TR, EN4TRXT - Multiple Vulnerabilities
The security of our products is important to us as your chosen industrial automation supplier. This anomaly was found internally during routine testing and is being reported based on our commitment to customer transparency and to improve their business or production environments.
Product Description
The 1756-ENT2R, 1756-EN4TR, and 1756-EN4TRXT are high-performance ControlLogix EtherNet/IP communication modules that support advanced topologies like Device Level Ring and Parallel Redundancy Protocol, with scalable connection capacities and environmental ratings to meet standard, high-demand, and extreme industrial networking needs.
Affected products and solution
Affected Product |
CVE |
Affected Software Version |
Corrected in Software Version |
Affected Catalog Numbers |
1756-ENT2R 1756-EN4TR 1756-EN4TRXT |
CVE-2025-8007 |
Version 6.001 or Prior |
Version 7.001 or later |
|
1756-ENT2R 1756-EN4TR 1756-EN4TRXT |
CVE-2025-8008 |
Version 6.001 or Prior |
Version 7.001 or later |
Security Issue Details
Category |
Details |
CVE ID |
CVE-2025-8007 |
Impact |
A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability. |
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-2025-8008 |
Impact |
A security issue exists in the protected mode of EN4TR devices, where sending specifically crafted messages during a Forward Close operation can cause the device to crash. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWEs |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Glossary:
· Major Non-Recoverable: critical fault condition within industrial control systems
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 |
September 9, 2025 |
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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