If you're working in Python and want to look up information about this device, you might use a library like pyusb . However, identifying a device based on VID and PID can also be done with basic libraries:
When we translate the hexadecimal code 1e3d into a lookup against the USB ID Repository, we find the vendor: vid = 1e3d pid = 198a
That error code, -110 , meant timeout. A normal serial bridge responds instantly. But this one stayed silent for 300 ms, then enumerated as something else: – not listed in any public Chipsa database. If you're working in Python and want to
Within an hour, I decoded the pattern. The 198a PID wasn’t for serial emulation. It enabled over USB bulk endpoints. The device was masquerading as a cheap debug tool but could read/write physical RAM if the host’s USB controller had a certain vulnerability (CVE‑2028‑44321). But this one stayed silent for 300 ms,