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CVE-2025-5825

Autel MaxiCharger AC Wallbox Commercial Firmware Downgrade Remote Code Execution Vulnerability

HIGH

7.5

CVSS Score

Published: June 25, 2025 at 06:02 PM UTC

Updated: June 17, 2026 at 09:48 AM UTC

19 products affected across 1 vendorMaxicharger Single Charger FirmwareMaxicharger Ac Elite Business C50 FirmwareMaxicharger Ac Pro Firmware

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Severity

HIGH7.5

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Maxicharger Ac Elite Business C50 Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

Maxicharger Ac Pro Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

autel-maxicharger-ac-pro (same device)

Maxicharger Ac Ultra Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

autel-maxicharger-ac-ultra (same device)

Maxicharger Dc Compact Mobile Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

autel-maxicharger-dc-compact-mobile (same device)

Maxicharger Dc Compact Pedestal Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

autel-maxicharger-dc-compact-pedestal (same device)

Maxicharger Dc Fast Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

autel-maxicharger-dc-fast (same device)

Maxicharger Dc Hipower Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

autel-maxicharger-dc-hipower (same device)

Maxicharger DH480 Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

autel-maxicharger-dh480 (same device)

Maxicharger Single Charger Firmware · Autel

95%

v < 1.39.51v < 1.56.51

Affected range stops below 1.39.51, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.56.51, so it looks safe — our inference, not a vendor statement

autel-maxicharger-single-charger (same device)

MaxiCharger AC Wallbox Commercial · Autel

60%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_research-advisoryThird Party Advisory

Source: [email protected]

https://www.zerodayinitiative.com/advisories/ZDI-25-344/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHzdi

Vector?

Quick Info

StatusANALYZED

CWE

CWE-1328

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