CVE-2026-13309: Autel MaxiCharger AC Elite Home NFC Stack-based Buffer Overflow Arbitrary Code Execution Vulnerability

Severity: medium (CVSS 6.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-29 · updated 2026-10-24
Weakness: CWE-121

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.

Affected products

Autel MaxiCharger AC Elite Home: 1.39.51

References

https://www.zerodayinitiative.com/advisories/ZDI-26-435/

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