Dahua releases frequent firmware updates to patch known vulnerabilities (including the password calculator exploit). Download the latest firmware from the official Dahua support site and apply it via the DVR’s "System > Upgrade" menu.
If you ever forget that password, official reset options—including the DMSS app, email support, hardware reset button, and Dahua’s Password Reset Tool—can help you regain access without losing your footage. Bookmark this guide for future reference, and always keep your DVR’s serial number and proof of purchase in a safe place.
: You can download the Dahua ConfigTool to export an XML file for your device and send it to an authorized dealer for a remote unlock code. dahua dvr default password
: For certain older versions, you can use a "Daily Password" based on the current date shown on the DVR's on-screen display. You must use a third-party generator tool found on community sites like the CCTV Super Password Generator .
If the DVR was previously used, the installer or previous owner must have changed the password. In over 95% of professional installations, the technician changes admin/admin to something more secure (or a company standard). Dahua releases frequent firmware updates to patch known
: For security reasons, Dahua often requires you to contact their support team for assistance with password recovery. They may ask for proof of ownership and may provide a reset code.
What Is Dahua Default Password And How to Keep Passwords Securely Bookmark this guide for future reference, and always
Use a flathead screwdriver or jumper cap to bridge (short) these two pins together.
If your device is an older model or has been factory reset, try these common combinations: Master Account : Username | Password Administrator : Username | Password Restricted User : Username | Password Alternative PIN : For some NVR/DVR models, the password might be Passwarden How to Reset Your Password