Are you trying to or flash the firmware ?
If the automatic detection fails, you can try to install the driver manually. The HUAWEI E5573Cs-322 Schnellstartanleitung provides official guidance for this method. huawei e5573cs322 driver for windows 10
(temporarily): Reboot Windows 10, press F7 during startup to allow unsigned drivers, then install the Huawei driver from the device’s internal storage. Are you trying to or flash the firmware
This comprehensive guide covers everything you need to know about finding, installing, and troubleshooting the Huawei E5573cs-322 driver on Windows 10 (both 32-bit and 64-bit systems). Why Does the Huawei E5573cs-322 Require a Driver? huawei e5573cs322 driver for windows 10