What’s Vulnerable › Vulnerabilities

CVE-2025-9042: Rockwell Automation FLEX 5000 I/O - Module Fault

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-14 · updated 2026-06-17
• Weakness: CWE-1287

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.

Affected products

• Rockwell Automation FLEX 5000 I/O: through Version 2.011

References

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

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