ZDI-CAN-29113: ZDI-26-437: (Pwn2Own) Autel MaxiCharger AC Elite Home WebSockets Integer Underflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Home EV chargers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of WebSocket messages related to the OCPP service. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Home EV chargers. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.1. The following CVEs are assigned: CVE-2026-13308.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-29113?
The severity of ZDI-CAN-29113 is rated as high with a score of 8.1.
What type of vulnerability is ZDI-CAN-29113?
ZDI-CAN-29113 is a remote code execution vulnerability affecting Autel MaxiCharger AC Elite Home EV chargers.
How do I fix ZDI-CAN-29113?
To fix ZDI-CAN-29113, update the Autel MaxiCharger AC Elite Home software to the latest version provided by the vendor.
Who is affected by the ZDI-CAN-29113 vulnerability?
All installations of Autel MaxiCharger AC Elite Home EV chargers are potentially affected by ZDI-CAN-29113.
Is authentication required to exploit ZDI-CAN-29113?
No, authentication is not required to exploit the ZDI-CAN-29113 vulnerability.