A Nerd's Life: Weeks of Firmware Teardown to Prove We Were Right
blog.quarkslab.com | research | #hardware-security | #reverse-engineering | #firmware | #ghidra | #hardware | #smartwatch | #jieli
Summary
Quarkslab follows up its smartwatch firmware extraction with weeks of reverse engineering through JieLi's firmware format, proving the device's vital-sign measurements cannot be trusted.
- Published
- Collected
--- id: 4318 title: "A Nerd's Life: Weeks of Firmware Teardown to Prove We Were Right" source_domain: blog.quarkslab.com source_url: "https://blog.quarkslab.com/nerd-life-weeks-firmware-teardown-we-were-right.html" published_at: "2026-03-11 23:00" tags: ["hardware-security", "reverse-engineering", "firmware", "ghidra", "hardware", "smartwatch", "jieli"] phying_url: "https://phying.com/item/4318" lang: en --- # A Nerd's Life: Weeks of Firmware Teardown to Prove We Were Right ## Summary Quarkslab follows up its smartwatch firmware extraction with weeks of reverse engineering through JieLi's firmware format, proving the device's vital-sign measurements cannot be trusted. ## Intelligence Metadata - **Sources:** blog.quarkslab.com - **Published:** 2026-03-11 23:00 - **Original:** https://blog.quarkslab.com/nerd-life-weeks-firmware-teardown-we-were-right.html - **Phying News:** https://phying.com/item/4318