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Fencer Intel
high 7.5

CVE-2025-5825 json

Autel MaxiCharger AC Wallbox Commercial Firmware Downgrade Remote Code Execution Vulnerability

published last yr. modified 4mo ago also EUVD-2025-28667

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

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.

Patch / fix

  • autel maxicharger_ac_elite_business_c50_firmware 1.39.51, 1.56.51
  • autel maxicharger_ac_pro_firmware 1.39.51, 1.56.51
  • autel maxicharger_ac_ultra_firmware 1.39.51, 1.56.51
  • autel maxicharger_dc_compact_mobile_firmware 1.39.51, 1.56.51
  • autel maxicharger_dc_compact_pedestal_firmware 1.39.51, 1.56.51
  • autel maxicharger_dc_fast_firmware 1.39.51, 1.56.51
  • autel maxicharger_dc_hipower_firmware 1.39.51, 1.56.51
  • autel maxicharger_dh480_firmware 1.39.51, 1.56.51
  • autel maxicharger_single_charger_firmware 1.39.51, 1.56.51

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Autel Autel MaxiCharger AC Wallbox Commercial

Classification

Weakness
  • CWE-1328 Security Version Number Mutable to Older Versions

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.