CVE-2025-9161: Rockwellautomation Factorytalk Optix

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A security issue exists within FactoryTalk Optix MQTT broker due to the lack of URI sanitization. This flaw enables the loading of remote Mosquito plugins, which can be used to achieve remote code execution.

Affected products

• Rockwellautomation Factorytalk Optix: from 1.5.0, before 1.6.0 (fixed in 1.6.0)

Published 2025-09-09. Last modified 2026-06-17.