Vulnerability in Micca Auto Electronics Co., Ltd. Car Alarm System Ke700

CVE-2026-2540

The Micca KE700 system contains flawed resynchronization logic and is vulnerable to replay attacks. This attack requires sending two previously captured codes in a specific sequence. As a result, the system can be forced to accept previously used (stale) rolling codes and execute a command. Successful exploitation allows an attacker to clone the alarm key. This grants the attacker unauthorized access to the vehicle to unlock or lock the doors.

EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.