Provide references for CVE-2021-27941.
Where can I find more information about CVE-2021-27941?
References are available at: https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US, https://apps.apple.com/us/app/ewelink-smart-home/id1035163158, https://github.com/salgio/eWeLink-QR-Code.