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Android Hack: PINs Bypassed in Under a Minute!
5 Apr
Summary
- A vulnerability can bypass Android phone PINs in under a minute.
- The exploit targets phones using MediaTek chips and TEE security.
- Physical access and USB connection are required for this attack.

A significant security vulnerability, CVE-2026-20435, has emerged, potentially compromising the lock screen security of numerous Android phones. This flaw specifically affects devices utilizing MediaTek processors and Trustonic's Trusted Execution Environment (TEE), a component designed to safeguard sensitive data.
Security researchers indicate that an attacker with physical access can exploit this vulnerability during the phone's boot process via a USB connection. This could allow them to bypass encryption, recover PINs, and extract critical information, including passwords, private messages, and cryptocurrency seed phrases.
MediaTek has issued a firmware patch, but its availability hinges on individual phone manufacturers distributing it through system updates. The timeframe for these updates varies, and older or budget devices may not receive them.
While the exploit necessitates physical access, users should remain vigilant. Proactive measures such as installing available software updates, using strong lock screen passwords, enabling two-factor authentication, and employing a password manager can bolster overall device security against various threats.