CVE-2015-2906: Mobile Devices c4 Obd-Ii Dongle Firmware

High severity, CVSS 9.0. EPSS: 2.6% chance of exploitation in the next 30 days.

Mobile Devices (aka MDI) C4 OBD-II dongles with firmware 2.x and 3.4.x, as used in Metromile Pulse and other products, store SSH private keys that are the same across different customers' installations, which makes it easier for remote attackers to obtain access by leveraging knowledge of a private key from another installation.

Affected products

• Mobile Devices c4 Obd-Ii Dongle Firmware: up to and including 3.4

Published 2015-08-23. Last modified 2026-06-17.