Not at the moment. I've seen some discussion around that so we'll see:
More details are available here:
I don't have the OEM firmware readily available but I believe mtd_write command had some options for reading flash and writing to file. Alternatively, you could download a statically compiled busybox which contains nanddump and use that. For example I used https://github.com/EXALAB/Busybox-static but I don't guarantee for this repo.