CVE-2026-48692

A flaw was found in FastNetMon Community Edition. The gRPC API server, exposed on port 50052, operates without any authentication mechanism. A remote attacker with local network access can exploit this vulnerability to ban arbitrary IP addresses, resulting in a denial of service for legitimate...

CVE-2026-48692

FastNetMon Community Edition through 1.2.9 exposes a gRPC API server on port 50052 with no authentication mechanism. The server is initialized with grpc::InsecureServerCredentials src/fastnetmon.cpp line 477 and a source code comment explicitly acknowledges 'Listen on the given address without an...