In H3C GR2200 MiniGR1A0V100R016, the USERLIMIT_GLOBAL option is set to 0 in the /etc/bftpd.conf. This can cause DoS attacks when unlimited users are connected.
https://www.notion.so/CVE-2025-44653-24754a1113e780fab128c2c5752f5703
https://gist.github.com/TPCchecker/1193f51fc870b597c8a59860199d50e4