Stack-based buffer overflow in MaxiCharger AC Elite Home - CVE-2026-13309
Published: July 22, 2026
Vulnerability identifier: #VU139093
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-13309
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Autel Energy
Affected software:
MaxiCharger AC Elite Home
MaxiCharger AC Elite Home
Detailed vulnerability description
The vulnerability allows a local attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the handling of card responses via the NFC interface. An attacker with physical access can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2026-13309
Install updates from vendor's website.