CVE-2026-48692
n/a n/a, fastnetmon 취약점
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 any authentication mechanism.' None of the RPC methods in src/api.cpp (ExecuteBan, ExecuteUnBan, GetBanlist, GetTotalTrafficCounters, etc.) perform any credential verification. The ExecuteBan and ExecuteUnBan methods trigger security-critical actions: BGP route announcements that can blackhole net...
- 대응 우선순위
- 점검
- CVSS
- 8.1
- EPSS
- 0.23% 백분위 14.3% · 2026.08.02 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.05.27