Did you see this export blog from the Dutch NCSC agency regarding TheMoon and Alogin malware ? https://english.ncsc.nl/latest/weblog/weblog/2024/consumer-routers-targeted-by-multiple-botnets
I hope to flash it again, as my iOS app works still, and see if flashing it with the same firmware helps... the router works okay, just the webgui is broken.