Security News QNAP VioStor NVR vulnerability actively exploited by malware botnet BleepingComputer Daniel Bender Dec 16, 2023 A Mirai-based botnet named 'InfectedSlurs' is exploiting a remote code execution (RCE) vulnerability in QNAP VioStor NVR (Network Video Recorder) devices to hijack and make them part of its DDoS (distributed denial of service) swarm.