WebFig is MikroTik’s browser-based management interface for RouterOS devices. Administrators use it to configure interfaces, firewall rules, routing, users, and troubleshooting settings from a web page instead of a local console. Because it exposes administrative functions over HTTP or HTTPS, WebFig is part of the router’s control plane, not a normal user-facing service.
In cyber security, WebFig matters because bugs in a management interface can give attackers direct access to privileged device functions. If a flaw is reachable before login, an attacker may be able to send crafted requests without credentials and trigger crashes, configuration changes, or even code execution. Exposed WebFig services are attractive targets because routers sit at the network edge and can affect traffic for many systems behind them. Defenders reduce risk by restricting management access to trusted networks, using VPNs for remote administration, and keeping RouterOS patched so known parsing and memory-handling flaws cannot be abused.