PAX A930 device with PayDroid_7.1.1_Virgo_V04.5.02_20220722 can allow an attacker to gain root access by running a crafted binary leveraging an exported function from a shared library. The attacker must have shell access to the device in order to exploit this vulnerability.
https://wr3nchsr.github.io/pax-paydroid-vulnerabilities-advisory-2023/