Preheat your oven to 350°F (175°C).

Lightly spray a 9x13-inch baking dish with non-stick cooking spray or grease it with butter.

Evenly spread the cherry pie filling across the bottom of the prepared baking dish.

In a large mixing bowl, combine the melted butter with the dry cake mix and stir until it resembles coarse crumbs.

Sprinkle the cake mix and butter mixture evenly over the cherry filling in the baking dish.

Bake for 50 to 55 minutes, until the topping is golden brown and the filling bubbles at the edges.