If you currently have a DS-7616NII2-16P running firmware older than V4.60 , you are likely exposed to the "Hikvision Backdoor" vulnerabilities from 2021. Update immediately—but only with the official Australian release.
: Older firmware versions have been known to cause critical recording gaps. In some cases, installers have set units to automatically reboot weekly ds7616nii2 16p firmware australia
For verified Australian hardware, firmware should be sourced from official or authorized distribution portals: If you currently have a DS-7616NII2-16P running firmware