You currently cannot hack your 3DS on this version using the main methods. If you want to hack your console, you may have to use ntrboot. If you are on 11.17.0, use <a href="https://troubleshoot.uwuu.ca/seventeen/">this site</a> to determine whether an alternate method is available for your device/region.
Information about firmware 11.17.0 is rapidly evolving. For the latest information, join <a href="https://discord.gg/MWxPgEp">Nintendo Homebrew on Discord</a>.