Dhi-nvr4108h-8p Firmware [best] Here

A typical version string might look like: V4.002.0000000.0.R.220630 . Let’s decode that:

The is an 8-channel Network Video Recorder (NVR) equipped with a built-in PoE switch (8 Ports). It typically runs a Linux Embedded Operating System. Because this is a budget-friendly model, the firmware is designed to be lightweight and efficient rather than feature-heavy like the more expensive "Pro" or "Ultra" series. dhi-nvr4108h-8p firmware

In 2021, a critical backdoor (CVE-2021-33044) was discovered in older Dahua firmware. Attackers could remotely log in with a specially crafted cookie. The released after 2022 patches this. A typical version string might look like: V4