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-25-349?
The severity of ZDI-25-349 is critical due to the potential for remote code execution by unauthenticated attackers.
How do I fix ZDI-25-349?
To fix ZDI-25-349, apply the latest firmware update provided by Autel for the MaxiCharger AC Wallbox Commercial.
Who is affected by ZDI-25-349?
Organizations using the Autel MaxiCharger AC Wallbox Commercial EV chargers are affected by ZDI-25-349.
What types of attacks are possible with ZDI-25-349?
ZDI-25-349 allows network-adjacent attackers to execute arbitrary code, potentially leading to unauthorized system control.
Is authentication required to exploit ZDI-25-349?
No, authentication is not required to exploit ZDI-25-349, making it particularly dangerous.