CVE-2025-9161
Rockwell Automation FactoryTalk Optix Remote Code Execution Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Active
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Rockwell Automation FactoryTalk Optix Remote Code Execution Vulnerability
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.
- Record
CVE-2025-9161- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2025-27247
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.
- Record
EUVD-2025-27247- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-h66j-7h34-g83p
A security issue exists within FactoryTalk Optix MQTT broker due to the lack of URI sanitization....
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.
- Record
GHSA-h66j-7h34-g83p- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-9161- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-9161 is a high vulnerability (CVSS 7.3) in Rockwell Automation Factorytalk Optix, published September 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. No source names a fixed version.