As of 16th March 2022, no vulnerabilities have been identified on the current FW version (FW4.0.4).
Wecheer monitors openers continuously using data analytics to detect problems and abnormal behavior. As soon as a problem is identified, a firmware update (patch) will be issued with the speed depending on the complexity of the fix and the severity of the problem.
History of Vulnerabilities:
There are no known security vulnerabilities in the latest 3 versions of the firmware.