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CVE-2026-18271— Kenwood DNR1007XR vCardParser Heap-based Buffer Overflow Code Execution Vulnerability

Quick assessment

Affected
Kenwood DNR1007XR
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.

Kenwood DNR1007XR 的 vCardParser 存在基于堆的缓冲区溢出漏洞，可导致远程代码执行。此漏洞允许物理上可接触设备的攻击者在受影响的 Kenwood DNR1007XR 设备上执行任意代码。利用该漏洞无需进行身份认证。 该特定缺陷存在于 vCardParser 类中。问题源于在将用户提供的字符串复制到基于堆的缓冲区之前，缺乏适当的验证机制。攻击者可利用此漏洞以 root 权限执行代码。此漏洞对应 ZDI-CAN-28974。

AI Predicted 9.8 Difficulty: Easy EPSS 0.41% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Kenwood DNR1007XR 1.7.0003.1000 affected
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I. Basic Information for CVE-2026-18271

Vulnerability Information
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Vulnerability Title
Kenwood DNR1007XR vCardParser Heap-based Buffer Overflow Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Kenwood DNR1007XR vCardParser Heap-based Buffer Overflow Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Kenwood DNR1007XR devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the vCardParser class. The issue results from the lack of proper validation of a user-supplied string before copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28974.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Kenwood DNR1007XR 1.7.0003.1000 -

II. Public POCs for CVE-2026-18271

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III. Intelligence Information for CVE-2026-18271

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Vendor Advisories for CVE-2026-18271 (1)

Vendor Pages for CVE-2026-18271 (1)

Same Patch Batch · Kenwood · 2026-08-20 · 7 CVEs total

CVE-2026-18272 Kenwood DNR1007XR startUpdateProcess Command Injection Vulnerability
CVE-2026-18269 Kenwood DNR1007XR tchdr_bytestream_read Out-Of-Bounds Write Code Execution Vulnerability
CVE-2026-18270 Kenwood DNR1007XR udhcpd Incorrect Permission Assignment Local Privilege Escalation Vulner
CVE-2026-18268 Kenwood DNR1007XR JKGenService Command Injection Local Privilege Escalation Vulnerability
CVE-2026-18267 Kenwood DNR1007XR Firmware Update Link Following Code Execution Vulnerability
CVE-2026-18273 Kenwood DNR1007XR USB Incorrect Default Permissions Local Privilege Escalation Vulnerabili

IV. Related Vulnerabilities

Same product: DNR1007XR
Same vendor: Kenwood
Same weakness: CWE-122

V. Comments for CVE-2026-18271

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