Case study

FIFINE SC3: firmware decryption and four-fader patch

FIFINE SC3 research documents decryption of the mixer's MVsilicon firmware and its ACP control protocol over USB HID. The repository provides cipher and container tooling, protocol findings, and a firmware patch that exposes all four fader positions to host-side volume tools.

Targets: Firmware · Protocol
Category: Firmware tools
Relationship: Foundation tool
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 1
Last commit: 2026-10-29
Language: Python
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: Supply your own FIFINE SC3 firmware image; the repository does not include firmware images.
Scope: The patch targets the SC3; stock firmware exposes only one fader to the host.
License: MIT License.

Cite

BibTeX

@misc{sc3-firmware-research-case,
  title = {{FIFINE SC3: firmware decryption and four-fader patch}},
  howpublished = {\url{https://github.com/dank0i/sc3}},
  url = {https://github.com/dank0i/sc3},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/sc3-firmware-research-case/}}
}

Plain text

FIFINE SC3: firmware decryption and four-fader patch. https://github.com/dank0i/sc3 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/sc3-firmware-research-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · dank0i/sc3 · Revision 476f5b4
docs/acp-protocol.md GitHub · dank0i/sc3 · Revision 476f5b4