Autel MaxiCharger AC Elite Home WebSockets Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote 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 WebSocket messages related to the OCPP service. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-29113.
History

Thu, 30 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 30 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Autel
Autel maxicharger Ac Elite Home
Vendors & Products Autel
Autel maxicharger Ac Elite Home

Wed, 29 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Description Autel MaxiCharger AC Elite Home WebSockets Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote 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 WebSocket messages related to the OCPP service. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-29113.
Title Autel MaxiCharger AC Elite Home WebSockets Integer Underflow Remote Code Execution Vulnerability
Weaknesses CWE-191
References
Metrics cvssV3_0

{'score': 8.1, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published: 2026-07-29T20:14:30.765Z

Updated: 2026-07-30T15:18:34.551Z

Reserved: 2026-06-25T00:12:09.134Z

Link: CVE-2026-13308

cve-icon Vulnrichment

Updated: 2026-07-30T14:18:55.311Z

cve-icon NVD

No data.

cve-icon Redhat

No data.