SIGNALInfrastructure Software·Jun 19, 2026, 4:02 PMSignal75Medium term

Researchers drop checkm8-style BootROM exploit for A12 and A13 iPhones

Source: The Register

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Researchers drop checkm8-style BootROM exploit for A12 and A13 iPhones

Owners of affected iPhones can stop checking for patches now: the fix for this SecureROM bug comes in a new handset

Why this matters
Why now

The exploitation of a hardware-based bootROM vulnerability (checkm8-style) for older iPhone models indicates the persistent challenge of securing foundational hardware layers against sophisticated exploits.

Why it’s important

A permanent, unpatchable hardware vulnerability in widely used devices highlights the critical importance of supply chain security and the longevity of hardware flaws, forcing users to upgrade devices for security.

What changes

Older iPhone models (A12/A13) are now permanently vulnerable to low-level exploits, rendering software patches ineffective and making these devices less secure for sensitive operations without hardware replacement.

Winners
  • · Apple (new device sales)
  • · Security researchers/exploit developers
  • · Hardware security firms
Losers
  • · Owners of A12/A13 iPhones
  • · Mobile device security (older generations)
Second-order effects
Direct

Exploits targeting A12/A13 iPhones for specific purposes (e.g., forensics, jailbreaking) may become more prevalent.

Second

Increased pressure on hardware manufacturers to adopt more robust, patchable firmware or more secure boot processes in future chip designs.

Third

Potential for nation-state actors or sophisticated groups to leverage this persistent vulnerability for surveillance or data extraction from targeted individuals using older devices.

Editorial confidence: 90 / 100 · Structural impact: 55 / 100
Original report

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