Is port 8291 (Winbox (MikroTik)) dangerous?

Port 8291 is classified as critical risk and should not be exposed to the public internet. It transmits data without encryption, making it vulnerable to eavesdropping and credential theft.

Should port 8291 be open on my firewall?

No, port 8291 should not be open to the public internet. Block it at the firewall and use encrypted alternatives such as SSH, SFTP, or HTTPS instead.

What transport protocol does port 8291 use?

Port 8291 (Winbox (MikroTik)) uses the TCP transport protocol and falls under the Remote Access category.

:8291 (TCP)

Winbox (MikroTik)

Critical Risco

TCP — Remote Access

Visão geral da porta

Número de porta 8291

Nome do serviço Winbox (MikroTik)

Protocolo de transporte TCP

Categoria Remote Access

Risco de segurança Critical

Intervalo de portas Registradas (1024-49151)

O que é a porta 8291?

Port 8291 is used by MikroTik's proprietary Winbox management protocol for configuring RouterOS-based routers and switches. The Winbox desktop application connects to this port to provide a GUI for network device management. Multiple critical vulnerabilities have been discovered in the Winbox protocol, including CVE-2018-14847 (Chimay Red) which allowed credential extraction without authentication.

TCP Remote Access Comumente usadas

Considerações de segurança

A porta 8291 (Winbox (MikroTik)) é classificada como risco crítico. Esta porta não deve ser exposta à internet pública. O serviço transmite dados sem criptografia, tornando-o vulnerável a escutas, roubo de credenciais e ataques man-in-the-middle.

Recomendação: Bloqueie esta porta no firewall. Use alternativas criptografadas (SSH, SFTP, HTTPS) em vez disso.

Portas relacionadas — Remote Access

22 SSH 23 Telnet 57 Private Terminal Access 89 SU/MIT Telnet Gateway 95 SUPDUP 107 Remote Telnet 177 XDMCP 219 Uarps

Termos relacionados

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS