You would have to find the chipset it runs to see. The largest issue is that the device contains a DSL modem. You can not get open source drivers for any of the modem both cable and dsl chipset. This means even if they were available you would have to build your own kernel because nobody can redistribute the drivers.
In most cases the guys that provide the builds for the various routers just ignore anything that has dsl in it. Now this router has a ethernet wan port also but you would have to find a router that used the same chipsets and try that knowing that the dsl modem would not work. That devices uses a broadcom bcm6328. You likely are going to either have to build your own kernel or try similar routers and get good at...