CVE-2018-1170: Htc Customer-Link Bridge

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

This vulnerability allows adjacent attackers to inject arbitrary Controller Area Network messages on vulnerable installations of Volkswagen Customer-Link App 1.30 and HTC Customer-Link Bridge. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Customer-Link App and Customer-Link Bridge. The issue results from the lack of a proper protection mechanism against unauthorized firmware updates. An attacker can leverage this vulnerability to inject CAN messages. Was ZDI-CAN-5264.

Affected products

• Htc Customer-Link Bridge: affected versions not specified
• Volkswagen Customer-Link: version 1.30 only

Published 2018-03-02. Last modified 2026-06-17.