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 Riesgo

TCP — Remote Access

Resumen del puerto

Número de puerto 8291

Nombre del servicio Winbox (MikroTik)

Protocolo de transporte TCP

Categoría Remote Access

Riesgo de seguridad Critical

Rango de puertos Registrados (1024-49151)

Qué es el puerto 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 De uso común

Consideraciones de seguridad

El puerto 8291 (Winbox (MikroTik)) está clasificado como riesgo crítico. Este puerto no debe exponerse a internet público. El servicio transmite datos sin cifrado, haciéndolo vulnerable a escuchas, robo de credenciales y ataques de intermediario.

Recomendación: Bloquea este puerto en el firewall. Utiliza alternativas cifradas (SSH, SFTP, HTTPS) en su lugar.

Puertos relacionados — Remote Access

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

Términos relacionados

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS