CVE-2024-7795

Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum Stack-Based Buffer Overflow Remote Code Execution Vulnerability

Published Aug 21, 2024 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 EV chargers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of the AppAuthenExchangeRandomNum BLE command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-23384.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-48655 Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 EV chargers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the AppAuthenExchangeRandomNum BLE command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-23384.
History
Type Values Removed Values Added
First Time appeared Autel maxicharger Ac Elite Business C50 Firmware
Weaknesses CWE-119
CPEs cpe:2.3:h:autel:maxicharger_ac_elite_business_c50:-:*:*:*:*:*:*:*
cpe:2.3:o:autel:maxicharger_ac_elite_business_c50_firmware:*:*:*:*:*:*:*:*
Vendors & Products Autel maxicharger Ac Elite Business C50 Firmware
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Autel
Autel maxicharger Ac Elite Business C50
CPEs cpe:2.3:a:autel:maxicharger_ac_elite_business_c50:*:*:*:*:*:*:*:*
Vendors & Products Autel
Autel maxicharger Ac Elite Business C50
Metrics ssvc

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

Type Values Removed Values Added
Description Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 EV chargers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the AppAuthenExchangeRandomNum BLE command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-23384.
Title Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum Stack-Based Buffer Overflow Remote Code Execution Vulnerability
Weaknesses CWE-121
References
Metrics cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Aug 22, 2024, 1:33 PM
Reserved
Aug 14, 2024, 2:19 PM
Status
Analyzed
Published
Aug 21, 2024, 4:15 PM
Modified
Jun 17, 2026, 8:20 AM