077b:08be — BEFCMU10 v4 Cable Modem

Linksys

Vendor ID: 077b
Product ID: 08be
Combined: 077b:08be
Decimal: 1915:2238

What is this device?

This is the USB identifier for a BEFCMU10 v4 Cable Modem manufactured by Linksys. The vendor ID 077b is registered to Linksys with the USB Implementers Forum, and 08be is the product ID that Linksys assigned to this particular model. When you run lsusb on Linux, this device appears as 077b:08be Linksys BEFCMU10 v4 Cable Modem.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 077b:08be Linksys BEFCMU10 v4 Cable Modem

You can filter directly with lsusb -d 077b:08be, or get the full descriptor dump with lsusb -v -d 077b:08be. Kernel messages from dmesg show the same pair as idVendor=077b, idProduct=08be.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_077B&PID_08BE
USB\VID_077B&PID_08BE&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_077B&PID_08BE"

macOS

$ system_profiler SPUSBDataType
    BEFCMU10 v4 Cable Modem:
      Product ID: 0x08be
      Vendor ID: 0x077b  (Linksys)

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

077b  Linksys
	08be  BEFCMU10 v4 Cable Modem