Autel MaxiCharger AC Wallbox Commercial Origin Validation Error Authentication Bypass Vulnerability

published 2025-06-25 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19124

cvss: 5.0; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits: 0; none known

Autel MaxiCharger AC Wallbox Commercial Origin Validation Error Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Autel MaxiCharger AC Wallbox Commercial. 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 handling of bluetooth pairing requests. The issue results from insufficient validation of the origin of commands. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26353.

Patch / fix

fixed in 9

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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-06-25)

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.0	CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	7.5	CVSS:3.1/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-346 Origin Validation Error

References

zerodayinitiative.com /advisories/ZDI-25-343/
third-party-advisory

Sources

CVE List CVE-2025-5824
NVD CVE-2025-5824

Fencer Vulns 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.

Summary