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6.4
Micca KE700 System Has Weak Rolling Code Authentication
CVE-2026-2541
Summary
The Micca KE700 system's weak password system makes it easy for an attacker to guess the code and unlock a vehicle. This is because the system only uses 64 possible combinations, making it a simple task to try each one. To fix this, update the system to use a more secure method of authentication.
Original title
The Micca KE700 system relies on a 6-bit portion of an identifier for authentication within rolling codes, providing only 64 possible combinations. This low entropy allows an attacker to perform a ...
Original description
The Micca KE700 system relies on a 6-bit portion of an identifier for authentication within rolling codes, providing only 64 possible combinations. This low entropy allows an attacker to perform a brute-force attack against one component of the rolling code. Successful exploitation simplify an attacker to predict the next valid rolling code, granting unauthorized access to the vehicle.
nvd CVSS4.0
6.4
Vulnerability type
CWE-331
Published: 15 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026