Just had a read of this guys post who has some good advice and basic information on hacking those Linux in a can IP cameras which all seem to have the same design I think?

 

Any way he gets to the serial port on the PCB and uses a USB-Serial adaptor to gain access through what is more of a side door than a back door(let's call it a tradesman's entrance)

 

IMG_3270-2.jpg

Well done blog post deserves to come over to E14...Any way over to him!

 

http://felipe.astroza.cl/hacking-hi3518-based-ip-camera/