RondoDox Botnet Exploits Critical React2Shell Flaw to Hijack IoT Devices and Web Servers

Cybersecurity researchers have disclosed details of a persistent nine-month-long campaign that has targeted Internet of Things (IoT) devices and web applications to enroll them into a botnet known as RondoDox.
As of December 2025, the activity has been observed leveraging the recently disclosed React2Shell (CVE-2025-55182, CVSS score: 10.0) flaw as an initial access vector, CloudSEK said in an