Here is an interesting article by Kriptowyre security. Asus is also on the list. The most vulnerable by far is Samsung, which unfortunately I can confirm myself.
The vulnerabilities were identified in July, most of which were patched in August-> October Google security patches. Samsung have been targeted because a lot of their handsets haven't even seen July security updates... They are so slow
Good to know! My Samsung was hacked 3 times. I blow on the cold!