While you do not need to worry about an official account ban or a hardware ban, save editing is not completely risk-free. If you misuse a save editor, you risk ruining your own game experience. 1. Corrupted Save Files
If your exosuit inventory shows 9,999,999,999 Nanites (the cap is 200,000 legitimately), the server logs this. You won't be banned, but you will be placed in a "low priority" matchmaking pool. nms save editor ban