The Manager in Eye-Fi 1.1.2 generates predictable snonce values based on the time of day, which allows remote attackers to bypass authentication and upload arbitrary images by guessing the snonce.
http://www.securityfocus.com/bid/28085
http://www.securityfocus.com/archive/1/489045/100/0/threaded
http://www.informit.com/articles/article.aspx?p=1177111&seqNum=2