I would call hunter.
Is it directly under the shroud? There is a plate with D rings on it where there are screws that penetrate the hull - I had some cracks right around my mast step and I filled them and had no issues. I think maybe any place where screws penetrate the plastic and then some stress is introduced can be a suspect area - I have also had a crack or two in the rudder area.
The cracks that I had were very small, easy to fill, surface level cracks - nothing like some of the real problems that some of these forum users have had. Really filling this type of crack is not much different than the upkeep on a fiberglass boat, I think it might be easier and happen less often.
I always fill them as soon as possible and certainly before winter - my fear is always water getting into the crack and freezing.
I am certainly not an expert - just a guy with a boat. I would call Hunter, maybe armed with some digital snapshots.
best of luck and enjoy the new boat!
John