Buffer overflow in Autel Maxicharger Ac Elite Business C50
CVE-2024-7795
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.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (43.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-7795?
- CVE-2024-7795 is a high-severity vulnerability in Autel Maxicharger Ac Elite Business C50, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-08-21.
- How severe is CVE-2024-7795?
- High severity. CVSS v3 base score is 8.8 out of 10.