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 Risk

TCP — Remote Access

Port Genel Bakış

Port Numarası 8291

Servis Adı Winbox (MikroTik)

Taşıma Protokolü TCP

Kategori Remote Access

Güvenlik Riski Critical

Port Aralığı Kayıtlı (1024-49151)

Port Nedir 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 Yaygın Kullanılan

Güvenlik Değerlendirmeleri

8291 numaralı port (Winbox (MikroTik)) kritik risk olarak sınıflandırılmıştır. Bu port genel internete açılmamalıdır. Hizmet verileri şifreleme olmadan iletmekte olup bu durum onu gizlice dinleme, kimlik bilgisi hırsızlığı ve ortadaki adam saldırılarına karşı savunmasız kılmaktadır.

Öneri: Bu portu güvenlik duvarında engelleyin. Bunun yerine şifreli alternatifleri (SSH, SFTP, HTTPS) kullanın.

İlgili Portlar — Remote Access

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

İlgili Terimler

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS