CVE-2026-13309: Autel MaxiCharger AC Elite Home NFC Stack-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-13309
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-133090.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-13309 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Autel MaxiCharger AC
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-13308: Autel MaxiCharger AC Elite Home WebSockets Integer Underflow Remote Code Execution Vulnerabili…nvd · 2026-07-29
- mediumCVE-2026-13307: Autel MaxiCharger AC Elite Home USB Heap-based Buffer Overflow Arbitrary Code Execution Vulner…nvd · 2026-07-29
- mediumCVE-2026-13306: Autel MaxiCharger AC Elite Home USB Authentication Bypass Vulnerability. This vulnerability al…nvd · 2026-07-29
- mediumCVE-2026-13305: Autel MaxiCharger AC Elite Home Software Update Improper Verification of Cryptographic Signatu…nvd · 2026-07-29
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