TCP Port 7900 – mevent

About TCP Port 7900

The Internet Assigned Numbers Authority (IANA) registers port 7900 for mevent. The IANA description reads: ‘Multicast Event’. This port appears in 3 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

3 IDS / security rules reference TCP port 7900. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 2): misc-attack (2), attempted-user (1).

Sample rule descriptions for TCP port 7900:

• ET EXPLOIT Fortinet FortiSIEM Unauthenticated Command Injection CVE-2023-34992
• ET EXPLOIT Fortinet FortiSIEM Unauthenticated Command Injection CVE-2024-23108
• ET EXPLOIT Fortinet FortiSIEM Unauthenticated phMonitor Command Injection (CVE-2025-25256)

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry and Emerging Threats Open Ruleset (BSD 2-Clause / GPLv2 per SID range).