CVE-2025-5825: Autel Maxicharger Ac Elite Business c50 Firmware

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Autel MaxiCharger AC Wallbox Commercial Firmware Downgrade Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Wallbox Commercial charging stations. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The specific flaw exists within the firmware update process. The issue results from the lack of proper validation of a firmware image before using it to perform an upgrade. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the device. Was ZDI-CAN-26354.

Affected products

• Autel Maxicharger Ac Elite Business c50 Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)
• Autel Maxicharger Ac Pro Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)
• Autel Maxicharger Ac Ultra Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)
• Autel Maxicharger DC Compact Mobile Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)
• Autel Maxicharger DC Compact Pedestal Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)
• Autel Maxicharger DC Fast Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)
• Autel Maxicharger DC Hipower Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)
• Autel Maxicharger DH480 Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)
• Autel Maxicharger Single Charger Firmware: before 1.39.51 (fixed in 1.39.51); before 1.56.51 (fixed in 1.56.51)

Published 2025-06-25. Last modified 2026-06-17.