(Pwn2Own) Autel MaxiCharger AC Wallbox Commercial wLength Buffer Overflow Remote Code Execution Vulnerability

June 11th, 2025
ZDI-25-347 ZDI-CAN-26328

CVE ID

CVE-2025-5828

CVSS Score

6.8 AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Autel

Affected Products

Autel MaxiCharger AC Wallbox Commercial

Vulnerability Details

This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Wallbox Commercial EV chargers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of USB frame 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 buffer. An attacker can leverage this vulnerability to execute code in the context of the device.

Additional Details

Fixed in American Standard: V1.39.51 and European Standard: V1.56.51


Disclosure Timeline

  • 2025-03-06 - Vulnerability reported to vendor
  • 2025-06-11 - Coordinated public release of advisory
  • 2025-06-11 - Advisory Updated

Credit

Synacktiv

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