ZDI-26-434: (Pwn2Own) Autel MaxiCharger AC Elite Home USB Authentication Bypass Vulnerability
This vulnerability allows physically present attackers to bypass authentication on affected installations of Autel MaxiCharger AC Elite Home EV chargers. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.3. The following CVEs are assigned: CVE-2026-13306.
AI Analysis
Technical Summary
The Autel MaxiCharger AC Elite Home EV charger contains an authentication bypass vulnerability (CVE-2026-13306) exploitable through its exposed USB interface. The flaw arises from the lack of authentication checks before granting access to device functionality, allowing an attacker with physical access to bypass authentication controls. This vulnerability was reported to the vendor on 2026-03-19 and publicly disclosed on 2026-07-15. The vendor has addressed the issue in firmware version V1.40.81.
Potential Impact
An attacker with physical access to the affected Autel MaxiCharger AC Elite Home device can bypass authentication controls via the USB interface. This may lead to unauthorized access to device functions, potentially impacting confidentiality, integrity, and availability of the device. However, the overall severity is rated low (CVSS 4.3), indicating limited impact or exploitability scope.
Mitigation Recommendations
Apply the official firmware update to version V1.40.81 or later to remediate this vulnerability. This update fixes the authentication bypass issue. Until the update is applied, restrict physical access to the device to prevent exploitation.
ZDI-26-434: (Pwn2Own) Autel MaxiCharger AC Elite Home USB Authentication Bypass Vulnerability
Description
This vulnerability allows physically present attackers to bypass authentication on affected installations of Autel MaxiCharger AC Elite Home EV chargers. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.3. The following CVEs are assigned: CVE-2026-13306.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Autel MaxiCharger AC Elite Home EV charger contains an authentication bypass vulnerability (CVE-2026-13306) exploitable through its exposed USB interface. The flaw arises from the lack of authentication checks before granting access to device functionality, allowing an attacker with physical access to bypass authentication controls. This vulnerability was reported to the vendor on 2026-03-19 and publicly disclosed on 2026-07-15. The vendor has addressed the issue in firmware version V1.40.81.
Potential Impact
An attacker with physical access to the affected Autel MaxiCharger AC Elite Home device can bypass authentication controls via the USB interface. This may lead to unauthorized access to device functions, potentially impacting confidentiality, integrity, and availability of the device. However, the overall severity is rated low (CVSS 4.3), indicating limited impact or exploitability scope.
Mitigation Recommendations
Apply the official firmware update to version V1.40.81 or later to remediate this vulnerability. This update fixes the authentication bypass issue. Until the update is applied, restrict physical access to the device to prevent exploitation.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-434/","fetched":true,"fetchedAt":"2026-07-16T15:50:47.769Z","wordCount":185}
Threat ID: 6a58fe6668715ace43485bd8
Added to database: 07/16/2026, 15:53:10 UTC
Last enriched: 07/16/2026, 15:54:50 UTC
Last updated: 07/16/2026, 19:57:00 UTC
Views: 4
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