If I connect with the latest Android OpenVPN it tells me, the certificates I created with RV320 are MD5 signed. Also it tells me, that MD5 support will end April 2018.
So how else shall I create certificates for OpenVPN? The root cert uses SHA256 but the Ovpn client/server certs are created with MD5.
The only solution that works for me now is the one outlined by @Leo Gal. My implementation was something like this:
below the the latest Cisco News in this case...
The fix is not publicly release yet. Unfortunately there are few defects which need to be included also before the release. I do have beta if you decided to test it anyway.
Question about a new release date:
I am afraid not at this moment, it all depends on the verification tests if they are successful or not.
So, how does one get a current 1.4.x based beta? Considering that the OpenVPN code base that Cisco is using in this product has supported this for years, and the criticality of this issue, I am utterly dumbfounded by thr lack of urgency for this fix! If other things have bugs, cut this standalone! It's putting users either at risk, and crippling functionality!