Latest AutomationDirect MB-GATEWAY vulnerability #
A vulnerability has been disclosed in AutomationDirect MB-GATEWAY Modbus gateways. This vulnerability in the embedded web server allows unrestricted remote access to the device. This device is no longer supported by the vendor and will not receive updates, including security patches.
This vulnerability has been designated CVE-2025-36535 and has a CVSS score of 10.0 (critical).
What is the impact? #
Successful exploitation of this vulnerability could lead to configuration changes, operational disruption, or arbitrary code execution depending on the environment and exposed functionality.
Are any updates or workarounds available? #
This device is no longer supported by the vendor and users are encouraged to discontinue their use. If this is not possible, users are strongly recommended to implement network access controls to limit access to these devices to trusted networks.
How do I find AutomationDirect MB-GATEWAY Modbus gateways with runZero? #
From the Asset Inventory, use the following query to locate potentially impacted assets:
hw:="Automation Direct Modbus Gateway"
