Improper Handling of Malformed CIP Forward Close Packets in Rockwell Automation Products
CVE-2025-7693

9.3CRITICAL

Key Information:

Vendor

Rockwell Automation
Status
Plc - Micro850 L50e
Vendor
CVE Published:
18 August 2025

What is CVE-2025-7693?

A security issue arises from the improper handling of malformed CIP Forward Close packets during fuzzing processes. This flaw can induce the controller to enter a non-responsive state indicated by a solid red Fault LED. After a power cycle, the controller enters a recoverable fault condition, indicated by flashing red MS and Fault LEDs, and reports fault code 0xF015. Recovery from this state requires fault clearance.

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Affected Version(s)

PLC - Micro850 L50E V20.011 - V22.011

References

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

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
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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