RCE in Rockwell Automation Factorytalk Optix

CVE-2025-9161

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.005 (40.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-9161?
CVE-2025-9161 is a high-severity vulnerability in Rockwell Automation Factorytalk Optix, classified under Command Injection. CVSS score: 8.8/10. Published 2025-09-09.
How severe is CVE-2025-9161?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-9161 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.