I uploaded a recompiled version of winexe from okconfig. It is quite outdated and its version is smaller. At least it satisfies the dependencies:
yum localinstall http://packages.nethesis.it/nethserver/6.7/testing/x86_64/Packages/winexe-1.01-1.x86_64.rpm
yum install nethserver-adagios
It probably does not work with adagios
Update: I opened a bug upstream: