It can mean overvaluing, giving a higher rating to something or someone, than it really deserves. Qualify with laxity or without much demand. Be kind in qualifying. Not be too strict when qualifying.
It is said when someone has more knowledge, title and/or merits than necessary for a task.
OVERQUALIFY to qualify in a better way than the corresponding one. Misrepresent information about a person's abilities, equipment, medication, or otherwise.