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CVE-2025-6678: Autel MaxiCharger AC Wallbox Commercial PIN Missing Authentication Information Disclosure Vulnerability

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This month
HIGH 7.5REMOTEUPGRADEUPGRADEUPGRADE

CVE-2025-6678 is a high-severity flaw (CVSS 7.5) affecting maxicharger ac elite business c50 firmware, maxicharger ac pro firmware, maxicharger ac ultra firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Autel MaxiCharger AC Wallbox Commercial PIN Missing Authentication Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 Pile API. The issue results from the lack of authentication prior to allowing acc

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.5% (top 59%)
CISA exploited listNo
WeaknessCWE-306
Published2025-06-25
Last modified2026-06-17
Publisher (CNA): Zero Day Initiative · Vendor: autel

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

autel maxicharger ac elite business c50 firmware UPGRADE
Affected: < 1.39.51 · < 1.56.51
Fixed in: 1.39.51, 1.56.51
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
autel maxicharger ac pro firmware UPGRADE
Affected: < 1.39.51 · < 1.56.51
Fixed in: 1.39.51, 1.56.51
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
autel maxicharger ac ultra firmware UPGRADE
Affected: < 1.39.51 · < 1.56.51
Fixed in: 1.39.51, 1.56.51
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
autel maxicharger dc compact mobile firmware UPGRADE
Affected: < 1.39.51 · < 1.56.51
Fixed in: 1.39.51, 1.56.51
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
autel maxicharger dc compact pedestal firmware UPGRADE
Affected: < 1.39.51 · < 1.56.51
Fixed in: 1.39.51, 1.56.51
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
autel maxicharger dc fast firmware UPGRADE
Affected: < 1.39.51 · < 1.56.51
Fixed in: 1.39.51, 1.56.51
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-6678?

maxicharger ac elite business c50 firmware: upgrade to 1.39.51, 1.56.51; maxicharger ac pro firmware: upgrade to 1.39.51, 1.56.51; maxicharger ac ultra firmware: upgrade to 1.39.51, 1.56.51. Exact commands for each OS are on this page.

Is CVE-2025-6678 being exploited?

CVE-2025-6678 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-6678 affect?

CVE-2025-6678 affects maxicharger ac elite business c50 firmware, maxicharger ac pro firmware, maxicharger ac ultra firmware. Severity is high (CVSS 7.5). Autel MaxiCharger AC Wallbox Commercial PIN Missing Authentication Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Autel MaxiCharger AC Wallbox

How urgent is CVE-2025-6678?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

References

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