Executive brief
The D3D ZX-G12 Home Security System is vulnerable to radio frequency (RF) jamming, which allows an attacker to silently disable the alarm system. By broadcasting interference on the 433 MHz frequency used by the sensors, an attacker can prevent the central hub from receiving alerts about open doors or motion. This results in a complete failure of security monitoring, where break-ins could occur without triggering sirens or mobile notifications.
Technical details
The D3D ZX-G12 Home Security System (firmware v2.1.17) utilizes a fixed-frequency 433 MHz RF channel for communication between sensors (door, window, motion) and the central hub. The device lacks jamming detection, frequency hopping, or signal integrity monitoring. An attacker within RF range (approximately 100 meters) can use a Software Defined Radio (SDR) or a low-cost transmitter to broadcast continuous noise on the 433 MHz band. This interference effectively masks legitimate sensor transmissions, preventing the hub from triggering alarms or sending Wi-Fi/GSM notifications. As of the advisory date, no official patch or hardware mitigation has been confirmed by the vendor.
Affected products
- D3D Security ZX-G12 Home Security System 2.1.17
Timeline
- 2025-01-12: disclosed: Initial vulnerability disclosure and CVE assignment
- 2026-01-12: advisory: NVD publication date