146 vulnerabilities found by scanning firmware and pre-installed software in #Android
Some of these vulnerabilities will already be fixed. Updating phones regularly ensures devices get security fixes as they become available.
Kryptowire who built the scanner are marketing it to large corporations and institutions. For many devices there is limited response to finding such issues other than abandoning devices or pressuring device manufacturers to fix the issues. It is possible to disable some pre-installed software. Alternative operating systems are available for some devices, although they likely still contain some vulnerabilities.
The research does give some suggestion to which manufacturers may be taking better care of device security. https://www.kryptowire.com/android-firmware-2019/