3DS developer yellow8 updated his homebrew exploit-3ds_homemenuhax v3.2 which supports 3DSv 11.1 and 11.2. Users who have installed menuhax can download menuhax_v3.2.zip and extract it to the root of your SD card. Then install menuhax again.
Menuhax v3.2 Changlog
■ Added support for v11.1-v11.2 via bossbannerhax. See README.
■ Fixed an issue with CSV parsing(#181).
■ Block certain PAD values being used with menuhax-cfg which are used by the system.
■ Fixed issue where the padcfg got reset when the PAD config wasn’t updated.
■ The system-version override option is now only enabled if a certain file exists on SD.
■ Various other changes.