Stack-based buffer overflow in MaxiCharger AC Elite Home - CVE-2026-13309
Published: July 22, 2026
Vulnerability identifier: #VU139093
CSH Severity: Low
CVSS v4: 7 [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]
CVE-ID: CVE-2026-13309
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
MaxiCharger AC Elite Home
How to mitigate CVE-2026-13309
Install updates from vendor's website.
MaxiCharger AC Elite Home - update to 1.40.81