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Autel MaxiCharger CVE-2026-8983

| EUVDEUVD-2026-46432 CRITICAL
Use of Hard-coded Credentials (CWE-798)
2026-07-21 CyberDanube GHSA-hmfc-f829-2xf3
Authentication Bypass Maxicharger Single
10.0
CVSS 4.0 · Vendor: CyberDanube
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Severity by source

Vendor (CyberDanube) PRIMARY
10.0 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
10.0 CRITICAL

Network-reachable, low-complexity, unauthenticated hard-coded token yields full device compromise; scope changed (S:C) since impact extends to subsequent/downstream systems.

3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (CyberDanube).

CVSS VectorVendor: CyberDanube

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Jul 21, 2026 - 21:37 vuln.today
CVE Published
Jul 21, 2026 - 21:03 cve.org
CRITICAL 10.0

DescriptionCVE.org

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.

AnalysisAI

Authentication bypass in Autel MaxiCharger Single EV charging stations running firmware up to and including V1.03.51 lets remote, unauthenticated attackers invoke privileged management endpoints by supplying a hard-coded token baked into the firmware. Because the token is static and shared across devices, anyone who extracts it once (publicly available exploit code exists via CyberDanube) can control the charger's management functions on any unpatched unit. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Reach charger management interface over network
Delivery
Supply hard-coded authentication token
Exploit
Bypass authorization checks
Execution
Invoke privileged management endpoints
Impact
Full control of charging station
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Vulnerability AssessmentAI

Exploitation The specific prerequisite is a MaxiCharger Single running firmware at or below V1.03.51 whose management endpoints are reachable over the network by the attacker; the attacker must know the hard-coded token value, which is disclosed by the public exploit/firmware analysis. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment All available signals point to high real-world priority. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has reverse-engineered the V1.03.51 firmware (or reused the public CyberDanube PoC) sends a request to an internet- or LAN-reachable MaxiCharger Single management endpoint including the hard-coded token value. The token bypasses authorization, granting privileged control of the charger without any valid credentials. …
Remediation No vendor-released patch identified at time of analysis - the only source in the provided data is the CyberDanube research advisory (https://cyberdanube.com/security-research/multiple-vulnerabilities-in-autel-maxi-charger/), which does not cite a fixed firmware version. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, identify and inventory all Autel MaxiCharger Single units running V1.03.51 or earlier, assess which devices are remotely accessible, and implement network segmentation to isolate affected chargers on restricted VLANs with no internet exposure. …

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CVE-2026-8983 vulnerability details – vuln.today
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