Hello,
Recently got myself a Dahua / IMOU camera, and since I got so much fine information from here I figured i'd give some back.
model: IPC-G42P-IMOU
fw : Eng_P_V2.680.0000000.24.R.20210309
So here's how you can get into a busybox shell on these.
# Step 1
Attach to serial hardware, thanks...