CVE-2026-13309 Autel MaxiCharger AC Elite Home NFC Stack-based Buffer Overflow Arbitrary Code Execution Vulnerability
Physically present attackers can execute arbitrary code on Autel MaxiCharger AC Elite Home EV chargers via a stack-based buffer overflow in the NFC interface.
- 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-2026-13309?
CVE-2026-13309 is a medium-severity memory corruption vulnerability in Autel MaxiCharger AC Elite Home, published on 29 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Autel MaxiCharger AC Elite Home NFC Stack-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Home EV chargers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of card responses via the NFC interface. A crafted card response can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-29044.
Weakness: CWE-121
Which versions are affected by CVE-2026-13309?
How do I fix CVE-2026-13309?
No fix has been published for CVE-2026-13309 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-2026-13309 being exploited?
There is no known exploitation of CVE-2026-13309 in the wild and no public exploit code.
Sources
Also known as GHSA-hhjf-qv52-vp59.