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Your Android device may be compromising your cryptocurrency wallet in less than a minute.
Ledger’s security team has revealed a hardware vulnerability in MediaTek chips that allows anyone with physical access to your device to extract your PIN and seed phrase before the phone even powers on. A USB cable is all that’s needed. No software update can resolve this issue as it is embedded within the chip.
The chip in question is the Dimensity 7300, which impacts approximately 25% of all Android devices. This includes the Solana Seeker phone.
INTEL: Ledger uncovers a flaw in the MediaTek Dimensity 7300 that enables attackers with physical access to steal Android hot-wallet seed phrases in minutes pic.twitter.com/gBTb2QBXMO
— Solid Intel
(@solidintel_x) March 11, 2026
MediaTek was informed about this issue back in May 2025. The solution? There is none. If your device contains this chip, you are at risk.
This poses a significant concern for anyone keeping substantial funds in a mobile wallet.
How the Boot ROM Exploit Circumvents Android Security
The vulnerability resides in the boot ROM, which is the code programmed into the chip during manufacturing. It cannot be modified. Ever.
Ledger’s team employed electromagnetic pulses to disrupt the chip during startup. Precisely timed voltage fluctuations compel the processor to bypass its own security protocols. Once this occurs, the attacker gains EL3 privilege.
This represents the highest level of control achievable on ARM architecture. Complete access. Game over.
In their tests, they accomplished this in approximately 1 second per attempt.
BREAKING: @Ledger researchers have discovered a vulnerability in Android devices utilizing MediaTek processors that could enable an attacker with physical access to retrieve a device’s PIN and crypto wallet seed phrases in under a minute.
In a proof of concept test, Ledger’s Donjon… pic.twitter.com/ooetcAhZXx— SolanaFloor (@SolanaFloor) March 11, 2026
BREAKING: @Ledger researchers have discovered a vulnerability in Android devices utilizing MediaTek processors that could enable an attacker with physical access to retrieve a device’s PIN and
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Subsequently, the entire data partition is decrypted offline. Private keys, PINs, and everything your trusted execution environment was meant to safeguard. All lost.
No application-level security can protect you here. The underlying system is compromised.
Millions of Devices Vulnerable, Including Solana Seeker
Millions of mid-range Android smartphones are affected, and there will be no patch for devices already in use.
MediaTek’s response was essentially that “physical attacks are not really our concern.” However, when individuals are storing significant amounts of money on these devices, that response is inadequate.
The statistics support this. Crypto theft reached $3.41 billion in 2024. Personal wallets now represent 44% of all stolen assets. In 2022, this figure was just 7.3%.
Source: Chainalysis
Ledger’s own CTO stated that phones were never intended to serve as vaults. If you have substantial funds in a mobile wallet, transfer them to a hardware wallet immediately.
A software workaround will be included in the March 2026 Android Security Bulletin.
The pressing question now is whether mobile-first cryptocurrency projects can endure a hardware trust dilemma. If the foundation continues to weaken, the entire premise of storing cryptocurrency on your phone may begin to unravel.
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The post Ledger Researchers Expose Android Flaw Enabling Wallet Seed Theft appeared first on Cryptonews.
