SoftBank Wi-Fi Spot Configuration Software, as used on SoftBank SHARP 3G handsets, SoftBank Panasonic 3G handsets, SoftBank NEC 3G handsets, SoftBank Samsung 3G handsets, SoftBank mobile Wi-Fi routers, SoftBank Android smartphones with the Wi-Fi application before 1.7.1, SoftBank Windows Mobile smartphones with the WISPrClient application before 1.3.1, SoftBank Disney Mobile Android smartphones with the Wi-Fi application before 1.7.1, and WILLCOM Android smartphones with the Wi-Fi application before 1.7.1, does not properly connect to access points, which allows remote attackers to obtain sensitive information by leveraging access to an 802.11 network.
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000039
http://jvn.jp/en/jp/JVN85371480/index.html
http://jvn.jp/en/jp/JVN85371480/995417/index.html