Command Prompt Access to a NAS Drive

I have a NAS drive on my home network which has some files I cannot delete. I assume they are corrupted files. The only way I can think is to access or delete the files from DOS, but I'm not sure how. I'm okay with accessing files on C: drive extra, but not sure about Network attached drives.

The NAS drive is formatted as Linux EXT.

Thanks

I think it would be easier to reformat the drive or put it in to your PC and do it.