CVE-2026-18271: (Pwn2Own) Kenwood DNR1007XR vCardParser Heap-based Buffer Overflow Code Execution Vulnerability
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 Software
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must be physically present to exploit the vulnerability. No authentication is required.
What level of access could successful exploitation provide?
Successful exploitation can execute arbitrary code in the context of root, giving the attacker high-impact access to the affected device.
Which component handles the malicious input?
The flaw is in the vCardParser class, where a user-supplied string is not properly validated before being copied into a heap-based buffer.