The latest version of DataPower firmware is 2018.4.1.6 released on June 12 2019. It provides the following fixes, most of them are security-related.
You can upgrade your DataPower gateways directly from DPBuddy using the following commands (this will upgrade multiple devices at once):
dpbuddy saveAll -device "device1, device2 ..." dpbuddy quiesceDomain -domains ".*" -device "device1, device2 ..." dpbuddy firmware -fromUrl "<url for you DataPower model>" -device "device1, device2 ..." dpbuddy connect -device "device1, device2 ..."
Use the following urls in the "firmware" command (images without options):
Consult Fix Central to find the exact download link for your firmware options and for your flavor of DataPower.
You may also want to run a command to validate the state of your services and objects after the upgrade:
dpbuddy assertState -domains ".*"
Please make sure that you have sufficient disk space before starting the upgrade.
You can contact us if you need help upgrading the firmware.