vindeckyy/smartcast-backdoor
Security research: unauthenticated LAN JS execution + persistent internal-API control on VIZIO OS / onn SmartCast TVs (65S4V4, W4K65M-1030). Full writeup + verified exploit chain.
🎯 Vulnerability: Remote Code Execution (RCE)
💡 Defense Fix: Avoid executing shell commands via system(). Use parameterized APIs and strict input sanitization.