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CVE-2026-9038— Stack-based buffer overflow in XCharge C6

Quick assessment

Affected
XCharge C6
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

XCharge C6是德国XCharge公司的一系列智能电动汽车直流充电桩。 XCharge C6存在安全漏洞，该漏洞源于信号处理逻辑中存在基于栈的缓冲区溢出，攻击者通过物理访问充电接口提供超出预期范围的消息字段，因为输入未充分验证，可能导致内存损坏，从而以提升的权限执行未经授权的代码。

AI Predicted 8.8 Difficulty: Moderate EPSS 0.23% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
XCharge C6 < May_22_2026 affected
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I. Basic Information for CVE-2026-9038

Vulnerability Information
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Vulnerability Title
Stack-based buffer overflow in XCharge C6
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability in the charging controller’s signal-processing logic allows an attacker with physical access to the charging interface to supply message fields that exceed expected bounds. Because the input is not sufficiently validated, memory corruption may occur, which can lead to execution of unauthorized code with elevated privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
XCharge C6 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XCharge C6是德国XCharge公司的一系列智能电动汽车直流充电桩。 XCharge C6存在安全漏洞，该漏洞源于信号处理逻辑中存在基于栈的缓冲区溢出，攻击者通过物理访问充电接口提供超出预期范围的消息字段，因为输入未充分验证，可能导致内存损坏，从而以提升的权限执行未经授权的代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
XCharge C6 0 ~ May_22_2026 -

II. Public POCs for CVE-2026-9038

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III. Intelligence Information for CVE-2026-9038

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Vendor Advisories for CVE-2026-9038 (1)

Same Patch Batch · XCharge · 2026-05-28 · 3 CVEs total

CVE-2026-9039 Initialization of a resource with an insecure default in XCharge C6
CVE-2026-9037 Download of code without integrity check in XCharge C6

IV. Related Vulnerabilities

Same product: C6
Same vendor: XCharge
Same weakness: CWE-121

V. Comments for CVE-2026-9038

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