Dahua Password Reset By Serial Number -

Due to security hardening upgrades, modern Dahua devices no longer use generic master passwords based on the date and serial number.

If you download a .exe claiming to reset your Dahua password via serial number for free: dahua password reset by serial number

Once you receive a one-time code, enter it into the password field on the login screen. Set New Password: Immediately go to Main Menu > Account Due to security hardening upgrades, modern Dahua devices