(Pwn2Own) Tesla Model S Iris Modem ql_atfwd Command Injection Code Execution Vulnerability

Vulnerability Details

This vulnerability allows local attackers to execute arbitrary code on affected Tesla Model S vehicles. An attacker must first obtain the ability to execute code on the target system in order to exploit this vulnerability.

The specific flaw exists within the ql_atfwd process. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code on the target modem in the context of root.

Additional Details

Fixed in Firmware Version 2024.8

Disclosure Timeline

• 2024-02-28 - Vulnerability reported to vendor
• 2025-04-30 - Coordinated public release of advisory
• 2025-04-30 - Advisory Updated

Credit

Synacktiv (@Synacktiv)

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