A vulnerability in Brocade SANnav exposes Kafka in the wan interface. The vulnerability could allow an unauthenticated attacker to perform various attacks, including DOS against the Brocade SANnav.
https://pierrekim.github.io/blog/2024-04-24-brocade-sannav-18-vulnerabilities.html
https://support.broadcom.com/external/content/SecurityAdvisories/0/23285