The tool works by generating a unique reset file based on the DVR’s serial number. You can download it from Dahua’s official website or trusted third‑party sources. After installation, the tool will guide you through the process of resetting the password without losing existing configuration data.
| Username | Default Password | Role & Access Level | | :--- | :--- | :--- | | | admin | The master account with full administrator rights for both local and network access. | | 888888 | 888888 | A secondary administrator account with full local system rights. | | 666666 | 666666 | A restricted user account that can only monitor video, perform playback, and manage backups. | | default | default | A hidden system account used internally that cannot be deleted and automatically logs in when no user is present. |
A: Yes, the local interface and the web interface share the same database of users. If admin/blank works on the monitor attached to the DVR, it works via the web.
If the default passwords do not work, you can regain access through several recovery options: dahua dvr default password
For added security, Dahua recommends changing the default HTTP port (80) and TCP port (37777) to any set of numbers between 1025 and 65535. Changing these ports helps prevent automated scanners from identifying your Dahua devices by their standard ports.
: Many Dahua models have a small black button inside the casing. Hold it for 10–15 seconds while the device is powered on to return all settings to default. Jumper Reset
A: Rarely. Some older rebrands or specific international models used 123456 , but this is not standard for official Dahua units. The tool works by generating a unique reset
Failing to change the default password on any network‑connected device is a serious security vulnerability. Dahua DVRs are no exception. Attackers routinely scan the internet for devices with default credentials, and once they gain access, they can:
Open your smartphone and launch the (Dahua's official mobile application).
Dahua devices using default configurations were historically leveraged in Mirai botnet strains, turning unsecured DVRs into tools for launching distributed denial-of-service (DDoS) attacks worldwide. | Username | Default Password | Role &
If your device has not been initialized or is a legacy model, try these username and password pairs:
If you opted out of email registration during setup but configured security questions: Click on the login screen. Switch the reset mode to Security Questions .
Are you using a like DMSS connected to this network? Share public link
Unauthorized users can view your live camera feeds, download recorded footage, or track your daily routines.