What’s Vulnerable › Vulnerabilities

CVE-2025-7693: Rockwell Automation Micro800 Vulnerability

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-18 · updated 2026-06-17
• Weakness: CWE-20

Description

A security issue exists due to improper handling of malformed CIP Forward Close packets during fuzzing. The controller enters a solid red Fault LED state and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF015. To recover, clear the fault.

Affected products

• Rockwell Automation PLC - Micro850 L50E: from V20.011 through V22.011

References

• https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1736.html

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