SAP Network Interface Router (SAProuter) 39.3 SP4 allows remote attackers to bypass authentication and modify the configuration via unspecified vectors.
https://service.sap.com/sap/support/notes/1853140
https://exchange.xforce.ibmcloud.com/vulnerabilities/89604
https://erpscan.io/advisories/erpscan-13-023-saprouter-authentication-bypass/