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Fencer Intel
medium 6.3

CVE-2025-5826 json

Autel MaxiCharger AC Wallbox Commercial ble_process_esp32_msg Misinterpretation of Input Vulnerability

published last yr. modified 4mo ago also EUVD-2025-28668

cvss
6.3
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 19%
public exploits
0
none known

Summary

Autel MaxiCharger AC Wallbox Commercial ble_process_esp32_msg Misinterpretation of Input Vulnerability. This vulnerability allows network-adjacent attackers to inject arbitrary AT commands on affected installations of Autel MaxiCharger AC Wallbox Commercial charging stations. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the ble_process_esp32_msg function. The issue results from misinterpretation of input data. An attacker can leverage this vulnerability to execute AT commands in the context of the device. Was ZDI-CAN-26368.

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
partial
Assessed
last yr.

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.3 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

  • Autel Autel MaxiCharger AC Wallbox Commercial

Classification

Weakness
  • CWE-115 Misinterpretation of Input

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.