CVE-2024-23967 Memory corruption in MaxiCharger AC Elite Business C50
Network-adjacent attackers can execute arbitrary code on Autel MaxiCharger AC Elite Business C50 chargers via a stack-based buffer overflow in WebSocket Base64 decoding.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-23967?
CVE-2024-23967 is a high-severity memory corruption vulnerability in Autel MaxiCharger AC Elite Business C50, published on 28 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding 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 Elite Business C50 chargers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
The specific flaw exists within the handling of base64-encoded data within WebSocket 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 stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
Was ZDI-CAN-23230
Which versions are affected by CVE-2024-23967?
It affects 1 product.
Products include Autel Maxicharger Ac Elite Business C50 Firmware.
How do I fix CVE-2024-23967?
No fix has been published for CVE-2024-23967 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-2024-23967 being exploited?
There is no known exploitation of CVE-2024-23967 in the wild and no public exploit code.
Other vulnerabilities in Autel MaxiCharger AC Elite Business C50
- CVE-2025-5827 Memory corruption in Autel MaxiCharger AC Wallbox Commercial
- CVE-2025-5830 Memory corruption in Autel MaxiCharger AC Wallbox Commercial
- CVE-2024-23957 Memory corruption in MaxiCharger AC Elite Business C50
- CVE-2024-7795 Memory corruption in MaxiCharger AC Elite Business C50
- CVE-2024-23959 Memory corruption in MaxiCharger AC Elite Business C50
Sources
Also known as GHSA-x63p-f88f-gg9j.