Cogent Cis-202 Iris Scanner Driver Windows 7 32 Bit (PLUS — 2025)

| IOCTL | Function | |-------|----------| | 0x222000 | Capture iris image (returns raw 8-bit grayscale) | | 0x222004 | Set LED brightness (parameter: 0-255) | | 0x222008 | Get device firmware version | | 0x22200C | Start video stream for focus assist | | 0x222010 | Stop video stream |

Latency measured: ~180ms for capture + transfer on USB 2.0. For a deep paper, these CVEs are relevant: cogent cis-202 iris scanner driver windows 7 32 bit

| CVE | Issue | Impact | |-----|-------|--------| | CVE-2019-1189 | Improper input validation in IOCTL 0x222000 | Local privilege escalation via buffer overflow in kernel pool | | CVE-2018-8213 | Driver allows arbitrary user-mode read of iris buffer | Information disclosure (iris template theft) | | No CVE (unpatched) | No IOMMU protection – DMA attacks possible if USB port accessible | Physical memory read/write | | IOCTL | Function | |-------|----------| | 0x222000