An unauthenticated remote attacker can use MQTT messages to crash a service on charging stations complying with German Calibration Law, resulting in a temporary denial-of-service for these stations until they got restarted by the watchdog.
| Software | From | Fixed in |
|---|---|---|
| phoenixcontact / charx_sec-3000_firmware | - | 1.6.5.x |
| phoenixcontact / charx_sec-3050_firmware | - | 1.6.5.x |
| phoenixcontact / charx_sec-3100_firmware | - | 1.6.5.x |
| phoenixcontact / charx_sec-3150_firmware | - | 1.6.5.x |