Mirai Variant Nexcorium Exploits CVE-2024-3721 to Hijack TBK DVRs for DDoS Botnet Cybersecurity April 18, 2026 Ravie LakshmananApr 18, 2026IoT Security / Vulnerability Threat actors are exploiting security flaws in TBK DVR and end‑of‑life (EoL) TP-Link…