QNAP NVR/NAS Devices - Buffer Overflow (PoC)

Device Model: QNAP VioStor NVR, QNAP NAS, Fujitsu Celvin NAS May be additional re-branded Attack Vector: Remote Attack Models: 1. Classic Heap Overflows 2. Classic Stack Overflow 3. Heap Feng Shui Overflow 4. "Heack Combo" Heap / Stack Combination Overflow Timeline 07/01/2017: QNAP contacted me...