ZDI-CAN-26327: ZDI-25-349: (Pwn2Own) Autel MaxiCharger AC Wallbox Commercial DLB_SlaveRegister Heap-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent 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 DLBSlaveRegister messages. 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 network-adjacent 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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2025-5830.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-26327?
The severity of ZDI-CAN-26327 is high, allowing execution of arbitrary code by network-adjacent attackers.
How do I fix ZDI-CAN-26327?
To fix ZDI-CAN-26327, ensure that you update the Autel MaxiCharger AC Wallbox Commercial EV chargers to the latest firmware provided by Autel.
Who is affected by ZDI-CAN-26327?
Companies or individuals using the Autel MaxiCharger AC Wallbox Commercial EV chargers are impacted by ZDI-CAN-26327.
Is authentication required to exploit ZDI-CAN-26327?
No, authentication is not required to exploit the ZDI-CAN-26327 vulnerability.
What kind of attack does ZDI-CAN-26327 enable?
ZDI-CAN-26327 enables network-adjacent attackers to execute arbitrary code on vulnerable installations.