Corega CG-WLNCM4G devices provide an open DNS resolver, which allows remote attackers to cause a denial of service (traffic amplification) via crafted queries.Referenceshttp://jvndb.jvn.jp/jvndb/JVNDB-2015-000203http://jvn.jp/en/jp/JVN51250073/index.htmlhttp://corega.jp/support/security/20151224_wlncm4g.htm