Buffer overflow in Autel Maxicharger Ac Elite Business C50
CVE-2024-23957
Autel MaxiCharger AC Elite Business C50 DLB_HostHeartBeat 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 charging stations. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DLB_HostHeartBeat handler of the DLB protocol implementation. When parsing an AES key, the process does not properly validate 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-23241
Vulnerability class: Buffer Overflow
EPSS: 0.010 (59.6th 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
- Autel Maxicharger Ac Elite Business C50 — versions 1.32.00
- Autel Maxicharger_ac_elite_business_c50
- Autel Maxicharger_ac_elite_business_c50_firmware — versions 1.32.00
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@asrg.io (x_research-advisory, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-23957?
- CVE-2024-23957 is a high-severity vulnerability in Autel Maxicharger Ac Elite Business C50, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-09-28.
- How severe is CVE-2024-23957?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2024-23957 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.