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CVE-2024-7795

Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum Stack-Based Buffer Overflow Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: August 21, 2024 at 04:02 PM UTC
Updated: June 17, 2026 at 08:20 AM UTC
2 products affected across 1 vendorMaxicharger Ac Elite Business C50 FirmwareMaxicharger Ac Elite Business C50

Using MaxiCharger AC Elite Business C50 by Autel?

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 EV chargers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the AppAuthenExchangeRandomNum BLE command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-23384.

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 < 1.36.001.32.00
Affected range stops below 1.36.00, so it looks safe — our inference, not a vendor statement
Maxicharger Ac Elite Business C50· Auteldevice
80%
All versions

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 AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-24-1154/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGH[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-119

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