CVE-2026-8983: Backdoor Authentication Token

Published Jul 21, 2026
·
Updated

Autel Maxi Charger Single firmware through V1.03.51 contains a hard-coded authentication token that bypasses authorization checks for multiple management endpoints. An attacker can supply the special token value to invoke privileged functionality without valid authentication.

Affected Software

4 affected components
Autel Maxi Charger Single<=V1.03.51
All of the following
Any of the following
Autel Maxicharger Single Charger Firmware<=1.03.51
Autel Maxicharger Single Charger Firmware<=1.03.51
Autel Maxicharger Single Charger

Event History

Jul 21, 2026
CVE Published
via MITRE·09:03 PM
Data Sourced
via MITRE·09:03 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Oct 28, 58588
Event
via FIRST·11:42 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-8983?

CVE-2026-8983 has a severity rating of critical with a CVSS score of 10.

2

How do I fix CVE-2026-8983?

To fix CVE-2026-8983, update the Autel Maxi Charger Single firmware to the latest version that addresses the hard-coded authentication token.

3

What type of vulnerability is CVE-2026-8983?

CVE-2026-8983 is classified as a backdoor vulnerability due to the presence of a hard-coded authentication token.

4

What impact does CVE-2026-8983 have on security?

CVE-2026-8983 allows attackers to bypass authorization checks, enabling them to invoke privileged functions without authentication.

5

Which software is affected by CVE-2026-8983?

CVE-2026-8983 affects the Autel Maxi Charger Single firmware version V1.03.51.

Contact

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