Network issue for HIK Vision DS-7800 series

[auto city]

I have encounter a network issue for this series about the IP address are keep reset to default setting, as i use fixed ip address for local view, but every time i set back to my local ip, the ip address will reset to default setting on the same day in night time.

 

[Phil]

Your HikVision NVR may have been hacked:
https://forum.use-ip.co.uk/threads/hikvision-firmware-updates-backdoor-exploit-fully-disclosed.1296/

You need to update it to the latest available firmware:
https://forum.use-ip.co.uk/threads/how-to-update-hikvision-firmware.1323/

Which should be available from HikVision's European download portal here:
DOWNLOAD PORTAL