Dear you can go Kaghan Naran Or Swat Kalam with your family, no security issues & peoples are also nice & co-operative,
your car can easily go till Naran but for saiful malook, Lalazaar or beyond you have to hire 4x4 from naran.
In swat valley roads til Bahrain or ok but further till kalam road is much affected with flood but any car can go till kalam, Kalam onward all areas are Jeep tracks.