CVE-2025-9042

HIGH

Rockwell Automation FLEX 5000 I/O - Denial of Service via CIP Class 32 Request Handling

Title source: llm

Description

A security issue exists due to improper handling of CIP Class 32’s request when a module is inhibited on the 5094-IY8 device. It causes the module to enter a fault state with the Module LED flashing red. Upon un-inhibiting, the module returns a connection fault (Code 16#0010), and the module cannot recover without a power cycle.

References (1)

Core 1

Core References

Various Sources

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1737.html

Scores

CVSS v4 8.7

EPSS 0.0030

EPSS Percentile 21.4%

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-1287

Status published

Products (1)

Rockwell Automation/FLEX 5000 I/O Version 2.011 or below

Published Aug 14, 2025

Tracked Since Feb 18, 2026