CVE-2025-5829

Medium

Description

Autel MaxiCharger AC Wallbox Commercial autocharge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected affected installations of Autel MaxiCharger AC Wallbox Commercial EV chargers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of JSON messages. 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-26330.

SeverityMedium
CVSS6.8
Exploit probability28. percentile0.3%
ProductAutel Maxicharger Ac Elite Business C50 Firmware
PublishedJun 25, 2025
First seenJun 25, 2025
Weakness typeCWE-121CWE-121

How to fix

Update
  • autel maxicharger_ac_elite_business_c50_firmware1.39.51, 1.56.51 or later
  • autel maxicharger_ac_pro_firmware1.39.51, 1.56.51 or later
  • autel maxicharger_ac_ultra_firmware1.39.51, 1.56.51 or later
  • autel maxicharger_dc_compact_mobile_firmware1.39.51, 1.56.51 or later
  • autel maxicharger_dc_compact_pedestal_firmware1.39.51, 1.56.51 or later
  • autel maxicharger_dc_fast_firmware1.39.51, 1.56.51 or later
  • autel maxicharger_dc_hipower_firmware1.39.51, 1.56.51 or later
  • autel maxicharger_dh480_firmware1.39.51, 1.56.51 or later
  • autel maxicharger_single_charger_firmware1.39.51, 1.56.51 or later

Affected products

ProductAffected versionsFixed in
autel maxicharger_ac_elite_business_c50_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51
autel maxicharger_ac_pro_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51
autel maxicharger_ac_ultra_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51
autel maxicharger_dc_compact_mobile_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51
autel maxicharger_dc_compact_pedestal_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51
autel maxicharger_dc_fast_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51
autel maxicharger_dc_hipower_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51
autel maxicharger_dh480_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51
autel maxicharger_single_charger_firmwarev < 1.39.51, v < 1.56.511.39.51, 1.56.51

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CVE-2025-5829 · Autel Maxicharger Ac Elite Business C50 Firmware · Dark Radar