Specifically which law do people believe selling exploits violates? Off the top of my head I've only got "conspiracy"-like laws and international embargoes (depending on buyer).
Should it be illegal? Yeah, potentially. Is it? Unclear.
Should it be illegal? Yeah, potentially. Is it? Unclear.
Conspiracy convictions usually require proof that the suspect had created a plan to commit a serious crime and has taken active steps towards the execution of that plan, even if they haven't committed the actual crime yet.
We're already perilously close to US Federal Prosecutors being able to lock up anybody they don't like indefinitely. It's so exorbitantly expensive to fight Federal charges that hardly anybody really does, much less does successfully. The last thing we need is more vague Federal criminal laws with poorly thought out evidence and mens rea requirements.