If your NVR has a physical port and physical access, you can interrupt the bootloader (U-Boot). This is the nuclear option.
Are you struggling to access your Dahua Network Video Recorder (NVR) due to a forgotten admin password? Don't worry, you're not alone. Forgetting passwords can be frustrating, especially when it comes to critical security systems. In this article, we'll walk you through the process of resetting the Dahua NVR admin password, ensuring you regain access to your device in no time.
For NVRs running older firmware (pre-2019), you can reset the password via a configuration file. This does not work on the latest firmware (V4.0+).
Correctly answer the three pre-set questions to immediately access the prompt for a new password. Method 3: Hardware Reset (Physical Button)