Use Google dorks:
"ne40ev800r011c00spc607b607qcow2"
intitle:"index of" "qcow2" ne40e
If seen inside a specific company’s network, it might refer to a custom firmware image or VM disk named with router firmware identifiers – though highly irregular. ne40ev800r011c00spc607b607qcow2 link
If you expected a single working URL, here is why one likely does not exist: If seen inside a specific company’s network, it