The Service Location Protocol (SLP, RFC 2608) allows an unauthenticated, remote attacker to register arbitrary services. This could allow the attacker to use spoofed UDP traffic to conduct a denial-of-service attack with a significant amplification factor.
https://www.suse.com/support/kb/doc/?id=000021051
https://security.netapp.com/advisory/ntap-20230426-0001/
https://github.com/curesec/slpload