CVE-2025-7693 CRITICAL

CVE-2025-7693: Rockwell Automation Micro800 Vulnerability

Vendor Rockwell Automation
Product PLC - Micro850 L50E
Weakness CWE-20 · Input validation
Published August 18, 2025
Last update August 18, 2025

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 18, 2025 CVE published
August 18, 2025 Record updated