OpenWRT is an open-source, Linux-based operating system primarily designed for embedded devices such as routers, access points, and network extenders. It replaces the manufacturer's firmware, offering advanced customization, enhanced security, and improved performance. OpenWRT supports a wide range of hardware and allows users to install additional software packages, configure firewall rules, and manage network traffic in detail. Its modular design and active community support make it a popular choice among cybersecurity professionals and enthusiasts who want greater control over their network devices. Regular updates help address vulnerabilities and keep devices secure.