Vulnerability · Published Aug 18, 2025 · Assigned by Rockwell
CVE-2025-7693Rockwell Automation Micro800 Vulnerability
Critical 9.3
In plain English
A critical-severity improper input validation in PLC - Micro850 L50E from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rockwell Automation | PLC - Micro850 L50E | V20.011 - V22.011 |
Weakness: CWE-20 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N