Improper Handling in Rockwell Automation 5094-IY8 Device
CVE-2025-9042

8.7HIGH

Key Information:

Vendor

Rockwell Automation
Status
Flex 5000 I/o
Vendor
CVE Published:
14 August 2025

What is CVE-2025-9042?

A security issue arises from improper handling of requests from CIP Class 32 when the module is inhibited on the Rockwell Automation 5094-IY8 device. This can lead to a fault state, indicated by the Module LED flashing red. After un-inhibiting, the module experiences a connection fault (Code 16#0010) and requires a full power cycle to recover, impacting system reliability and operational continuity.

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Affected Version(s)

FLEX 5000 I/O Version 2.011 or 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

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