Bypassing debug password protection on the RH850 family using fault injection
blog.quarkslab.com | research | #hardware-security | #fault-injection | #hardware | #automotive | #rh850 | #renesas | #glitching
Summary
Quarkslab bypasses the 16-byte IDCODE debug password on several Renesas RH850 automotive microcontroller variants using voltage fault injection, enabling firmware extraction in black-box audits.
- Published
- Collected
--- id: 4320 title: "Bypassing debug password protection on the RH850 family using fault injection" source_domain: blog.quarkslab.com source_url: "https://blog.quarkslab.com/bypassing-debug-password-protection-on-the-rh850-family-using-fault-injection.html" published_at: "2026-03-04 23:00" tags: ["hardware-security", "fault-injection", "hardware", "automotive", "rh850", "renesas", "glitching"] phying_url: "https://phying.com/item/4320" lang: en --- # Bypassing debug password protection on the RH850 family using fault injection ## Summary Quarkslab bypasses the 16-byte IDCODE debug password on several Renesas RH850 automotive microcontroller variants using voltage fault injection, enabling firmware extraction in black-box audits. ## Intelligence Metadata - **Sources:** blog.quarkslab.com - **Published:** 2026-03-04 23:00 - **Original:** https://blog.quarkslab.com/bypassing-debug-password-protection-on-the-rh850-family-using-fault-injection.html - **Phying News:** https://phying.com/item/4320