CVE-2025-5830 Memory corruption in Autel MaxiCharger AC Wallbox Commercial

High 8.8 Published Updated

Network-adjacent attackers can execute arbitrary code on Autel MaxiCharger EV chargers via a heap-based buffer overflow in DLB_SlaveRegister message handling.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-5830?

CVE-2025-5830 is a high-severity memory corruption vulnerability in Autel MaxiCharger AC Wallbox Commercial, published on 25 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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 DLB_SlaveRegister 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. Was ZDI-CAN-26327.

Weakness: CWE-122

Which versions are affected by CVE-2025-5830?

It affects 9 products.

Products include Autel Maxicharger Ac Elite Business C50 Firmware, Autel Maxicharger Ac Pro Firmware, Autel Maxicharger Ac Ultra Firmware, Autel Maxicharger Dc Compact Mobile Firmware, Autel Maxicharger Dc Compact Pedestal Firmware, Autel Maxicharger Dc Fast Firmware and 3 more.

How do I fix CVE-2025-5830?

No fix has been published for CVE-2025-5830 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-5830 being exploited?

There is no known exploitation of CVE-2025-5830 in the wild and no public exploit code.

Sources

Also known as GHSA-vx6x-gx62-4xg7.

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