ZDI-26-436: (Pwn2Own) Autel MaxiCharger AC Elite Home USB Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability
This vulnerability allows physically present 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 custom USB packets. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
Other sources
This vulnerability allows physically present 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 6.8. The following CVEs are assigned: CVE-2026-13307.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-436?
The severity of ZDI-26-436 is rated as medium with a score of 6.8.
How do I fix ZDI-26-436?
To fix ZDI-26-436, update the Autel MaxiCharger AC Elite Home EV chargers to the latest firmware provided by the manufacturer.
What systems are affected by ZDI-26-436?
ZDI-26-436 affects the Autel MaxiCharger AC Elite Home EV chargers.
Can ZDI-26-436 be exploited remotely?
No, ZDI-26-436 requires physical presence to exploit the vulnerability.
What type of vulnerability is ZDI-26-436?
ZDI-26-436 is a heap-based buffer overflow vulnerability that allows for arbitrary code execution.