I have been using the RV042 10/100 VPN Router for quite sometime. It just recently started having issues with intermittent internet connections. They would come ion, then go away. One of my engineers did some troubleshooting with the help of our ISP Tech support and determined that the router was bad. We ordered the RV042G to replace it. I came back in from a business trip to configure the new router. Before I started, I attempted to login to the RV042 router that was determined to be bad. I tried several browsers (Edge, IT, and Firefox) unsuccessful. It gave me a ssl certificate error and would not connect. So I thought that it must in fact be bad. I unpackaged the new RV042g and attempted to connect to it and I had the same problem. It would not allow me to connect because of the ssl certificate error. I'm using a surface pro 3 with windows 10 pro latest updates and release.
Do I have 2 bad routers or is there a compatibility problem with windows 10 and cisco? Any advice is appreciated!
Was having the same issue, and also determined there was something wrong with the SSL cert chain. As it turns out, the built-in router cert only supports SHA1. The only way I was able to circumvent this issue, and gain access to the admin web portal again, was to use Internet Explorer with advanced settings allowing ONLY SSL3. This means you must uncheck all other security protocols; uncheck SSL 2.0, TLS 1.0/1.1/1.2, leaving only SSL 3.0 checked. This will allow you to gain access to the admin portal again. Cisco has now released firmware version 4.2.3.08 which updates the certificate chain to SHA256 support. You must download the firmware file first, before modifying your browser's advanced settings, as Cisco's own website SSL requires TLS.
This is for RV042. Use the "Cisco Small Business RV Series Routers" link at the top of the page to back up and select the RV042G for the gigabit version (although it's likely the same firmware file).
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