CVE-2025-6678 in MaxiCharger AC Wallbox Commercial
Summary
by MITRE • 06/25/2025
Autel MaxiCharger AC Wallbox Commercial PIN Missing Authentication Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Autel MaxiCharger AC Wallbox Commercial charging stations. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the Pile API. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to disclose credentials, leading to further compromise. Was ZDI-CAN-26352.
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Analysis
by VulDB Data Team • 09/10/2025
The CVE-2025-6678 vulnerability represents a critical security flaw in Autel MaxiCharger AC Wallbox Commercial charging stations that exposes sensitive authentication information through the Pile API interface. This vulnerability falls under the category of missing authentication mechanisms and aligns with CWE-305 Authentication Bypass and CWE-287 Improper Certificate Validation as identified by the Common Weakness Enumeration framework. The flaw specifically affects commercial electric vehicle charging infrastructure where the Pile API lacks proper authentication checks, creating an attack surface that remote adversaries can exploit without requiring any credentials or privileged access.
The technical implementation of this vulnerability stems from insufficient authentication controls within the charging station's API endpoints. When attackers interact with the Pile API, they can access sensitive information including but not limited to user credentials, authentication tokens, and potentially system configuration details without providing valid authentication. This represents a fundamental failure in the security architecture of the device, as the API should enforce proper authentication mechanisms before exposing any sensitive data. The vulnerability's impact extends beyond simple information disclosure, as the exposed credentials could enable attackers to gain full control over the charging infrastructure, potentially allowing them to manipulate charging sessions, access user data, or even disrupt charging operations.
The operational impact of this vulnerability is severe for commercial charging station deployments, particularly in enterprise environments where these devices are often connected to corporate networks or integrated with fleet management systems. Attackers can leverage this vulnerability to gain unauthorized access to charging station management interfaces, potentially compromising the entire charging infrastructure ecosystem. This flaw creates opportunities for lateral movement within networks, as the stolen credentials could be used to access other systems connected to the same network. Additionally, the vulnerability enables credential stuffing attacks against other services that may use similar authentication mechanisms, as the exposed credentials could be reused across different platforms.
Organizations deploying Autel MaxiCharger AC Wallbox Commercial units should immediately implement mitigations including network segmentation to isolate charging infrastructure from critical business systems, implementing network access controls to restrict access to the Pile API endpoints, and conducting comprehensive vulnerability assessments to identify other potentially affected devices in their fleet. The ATT&CK framework categorizes this vulnerability under T1566 Initial Access through credential exposure, and organizations should consider implementing monitoring solutions to detect unauthorized access attempts to charging station APIs. Regular firmware updates should be prioritized, and security assessments should include evaluation of API endpoint access controls to prevent similar vulnerabilities from being introduced in future deployments. The vulnerability also highlights the importance of secure configuration management and the need for robust authentication mechanisms in Internet of Things devices, particularly those handling sensitive operational data in commercial environments.