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secureboot-bypass

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This repository discloses a critical vulnerability in Apple’s A16 Bionic chip, where debug logic is executed on production-fused devices (dev-fused=0, debug=0x0). Logs show SecureROM and co-processor debug paths active without jailbreak or user tampering—violating the silicon-level trust model.

  • Updated Sep 7, 2025

Native UEFI/EFI utility for Intel CPU power management (2nd-15th Gen). Direct MSR/MMIO access for undervolting, power limits, and V/F curves. Features built-in NVRAM patching (CFG/OC Lock) for Plundervolt research and Secure Boot SelfEnroll with embedded root CA. Bare-metal, self-contained, and driven by UnderVolter.ini. No OS required.

  • Updated Apr 19, 2026
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