CVE-2025-5828 is a medium-severity flaw (CVSS 6.8) 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 wLength Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Wallbox Commercial EV chargers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of USB frame packets. The issue results from the lack of proper validation of
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
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 sourceNVD · 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-2025-5828?
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-2025-5828 being exploited?
CVE-2025-5828 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-2025-5828 affect?
CVE-2025-5828 affects maxicharger ac elite business c50 firmware, maxicharger ac pro firmware, maxicharger ac ultra firmware. Severity is medium (CVSS 6.8). Autel MaxiCharger AC Wallbox Commercial wLength Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Wallbox
How urgent is CVE-2025-5828?
Priority 31/100. No elevated risk signals yet.
Related CVEs
CVE-2025-6678HIGH 7.5UPGRADEUPGRADE Autel MaxiCharger AC Wallbox Commercial PIN Missing Authentication Information Disclosure Vulnerability
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