Vulnerability · Published Aug 20, 2026 · Assigned by zdi
CVE-2026-18271Kenwood DNR1007XR vCardParser Heap-based Buffer Overflow Code Execution Vulnerability
Medium 6.8
In plain English
A medium-severity heap buffer overflow in DNR1007XR from Kenwood. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ZDI-26-488 x_research-advisory
- vendor-provided URL vendor-advisory