Firmware assessment
Security review of embedded Linux, RTOS, bootloaders, update flows, and device services.
Security assurance for connected systems
Bitfield Research is an independent technical practice focused on security assessment, protocol review, and hardening support for teams shipping connected products.
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
Scope
Security review of embedded Linux, RTOS, bootloaders, update flows, and device 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.
Approach
Define the target, threat model, access level, and useful proof points.
Analyze firmware, services, device behavior, and exposed interfaces.
Deliver findings with risk context, validation notes, and remediation options.
Contact