When i found script cputemp?
In the Minix version, the CPU temperature is displayed in milli-degrees (45 °C -> 45000), so it should be divided by 1000.
However, this is not required for all devices (eg. M8S-Plus).
You need to log in to your box via SSH, and then...
Code
cd /storage/.config/
wget https://github.com/dtechsrv/LibreELEC-AML/raw/master/projects/S8X2/filesystem/usr/bin/cputemp
chmod 755 ./cputemp
echo "mount -o bind /storage/.config/cputemp /usr/bin/cputemp" >> autostart.sh
reboot
After restarting, the correct value should be displayed in Kodi.