Firmware assessment
Review of embedded Linux, RTOS, bootloaders, update flows, and device-side services.
Security assurance for connected products
Bitfield Research works with engineering teams on focused assessments of firmware, device services, update paths, and network-facing control planes.
asset: gateway-fw-2.8
interface: update service
status: assessment in progress
0x0000 7f 45 4c 46 01 01 01 00
0x0040 b5 03 00 00 34 00 20 00
0x00c0 a0 12 00 00 f4 ff 00 00
notes:
boot chain checked
update controls reviewed
network exposure mapped
Services
Review of embedded Linux, RTOS, bootloaders, update flows, and device-side services.
Assessment of proprietary protocols, device pairing, transport security, telemetry, and management planes.
Security findings translated into clear engineering changes, validation steps, and release guidance.
Engagement details
One product, subsystem, or release candidate at a time.
Firmware images, test hardware, docs, logs, or source snippets when useful.
Risk-ranked report, reproduction notes, remediation guidance, and retest notes.
Pre-release review, customer assurance asks, and vendor security diligence.
Approach
Define the target, threat model, access level, and product constraints.
Analyze firmware, update paths, authentication flows, services, and exposed interfaces.
Walk through findings with owners, then retest when fixes are ready.
Contact