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
FactoryTalk® Historian Machine Edition (ME) is an embedded data historian module for the ControlLogix® chassis that collects, stores, and serves time-series process data directly at the machine level, enabling local data logging and retrieval without requiring a separate server.
Affected Products and Solution
Affected Product |
CVE |
Affected Software Version |
Corrected in Software Version |
Affected Catalog Numbers |
Historian ME (1756-HIST2G Series B & C)
|
CVE-2025-12768 |
Series C: 7.101 |
Series C: 7.102 Series B: 5.203
|
1756-HIST2G/C |
Historian ME (1756-HIST2G Series B & C)
|
CVE-2026-12661
|
Series C: 7.101
|
Series C: 7.102 Series B: 5.203
|
1756-HIST2G/C
|
Security Issue Details for CVE-2025-12768
Category |
Details |
CVE ID |
CVE-2025-12768 |
Impact |
A security issue exists within FactoryTalk® Historian Machine Edition. An attacker with low-level authentication could exploit this vulnerability to achieve remote code execution on the affected device.
|
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWE |
|
Known Exploited Vulnerability |
No |
Security Issue Details for CVE-2026-12661
Category |
Details |
CVE ID |
CVE-2026-12661 |
Impact |
A denial-of-service security issue exists within FactoryTalk® Historian Machine Edition. A network adjacent attacker who is authenticated could send crafted requests to the web interface, resulting in buffer overflow conditions that may cause the device to crash and become unresponsive.
|
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWE |
|
Known Exploited Vulnerability |
No |
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 |
9/1/2026 |
Initial release |
Glossary:
· Remote Code Execution: allows attackers to run arbitrary code on a remote machine, connecting to it over public or private networks
· Buffer Overflow: when a program writes more data to a buffer than it can hold, causing the excess data to overflow into adjacent memory locations
Get Up-to-Date Product Security Information
Visit the Rockwell Automation security advisories on the Trust Center page to:
· Subscribe to product security alerts
· Review the current list of Rockwell Automation security advisories
· Report a possible security issue in a Rockwell Automation product
· Learn more about the vulnerability policy
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
Legal Disclaimer
ROCKWELL AUTOMATION DOES NOT WARRANT THE COMPLETENESS, TIMELINESS OR ACCURACY OF ANY OF THE DATA CONTAINED IN THIS WEB SITE AND MAY MAKE CHANGES THERETO AT ANY TIME IN ITS SOLE DISCRETION WITHOUT NOTICE. FURTHER, ALL INFORMATION CONVEYED HEREBY IS PROVIDED TO USERS "AS IS." IN NO EVENT SHALL ROCKWELL BE LIABLE FOR ANY DAMAGES OF ANY KIND INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS PROFIT OR DAMAGE, EVEN IF ROCKWELL AUTOMATION HAVE BEEN ADVISED ON THE POSSIBILITY OF SUCH DAMAGES. ROCKWELL AUTOMATION DISCLAIMS ALL WARRANTIES WHETHER EXPRESSED OR IMPLIED IN RESPECT OF THE INFORMATION (INCLUDING SOFTWARE) PROVIDED HEREBY, INCLUDING THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, AND NON-INFRINGEMENT. Note that certain jurisdictions do not countenance the exclusion of implied warranties; thus, this disclaimer may not apply to you.
