ZDI-CAN-26369: ZDI-25-346: (Pwn2Own) Autel MaxiCharger AC Wallbox Commercial ble_process_esp32_msg Stack-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 bleprocessesp32msg function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-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-2025-5827.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-26369?
ZDI-CAN-26369 is a critical vulnerability that allows unauthorized remote code execution.
How do I fix ZDI-CAN-26369?
To fix ZDI-CAN-26369, users should apply the latest firmware updates provided by Autel for the MaxiCharger AC Wallbox.
Who is affected by ZDI-CAN-26369?
ZDI-CAN-26369 affects installations of Autel MaxiCharger AC Wallbox Commercial EV chargers.
Can ZDI-CAN-26369 be exploited without authentication?
Yes, ZDI-CAN-26369 can be exploited by network-adjacent attackers without requiring authentication.
What type of attack does ZDI-CAN-26369 facilitate?
ZDI-CAN-26369 facilitates arbitrary code execution on affected devices.