The default permissions for the SNMP Parameters registry key in Windows NT 4.0 allows remote attackers to read and possibly modify the SNMP community strings to obtain sensitive information or modify network configuration, aka one of the "Registry Permissions" vulnerabilities.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A139
https://exchange.xforce.ibmcloud.com/vulnerabilities/5672
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-095