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ZDI-26-484: (Pwn2Own) Kenwood DNR1007XR Firmware Update Link Following Code Execution Vulnerability

0
Medium
VulnerabilityCVE-2026-18267cvecve-2026-18267cwe-59
Published: 08/20/2026 (08/20/2026, 16:13:51 UTC)
Source: Zero Day Initiative

Description

Kenwood DNR1007XR Firmware Update Link Following 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 firmware update process. By creating a symbolic link, an attacker can abuse the service to move a file to an arbitrary location. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28751.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/15/2026, 05:15:53 UTC

Technical Analysis

CVE-2026-18267 is a vulnerability in the Kenwood DNR1007XR device firmware update mechanism. It allows an attacker with physical access to create a symbolic link that causes the firmware update service to move files to arbitrary locations. This can be exploited to execute arbitrary code with root privileges without requiring authentication. The vulnerability has a CVSS score of 6.8 and was responsibly disclosed to Kenwood, who has released a firmware update to fix the issue.

Potential Impact

An attacker with physical access can execute arbitrary code as root on affected Kenwood DNR1007XR devices without authentication. This could lead to full compromise of the device, including confidentiality, integrity, and availability impacts.

Mitigation Recommendations

Kenwood has issued a firmware update that corrects this vulnerability. Users should apply the official firmware update from Kenwood to remediate this issue. No other mitigations are indicated by the vendor advisory.

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Technical Details

Article Source
{"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-484/","fetched":true,"fetchedAt":"2026-07-30T15:55:58.339Z","wordCount":195}
Classification
{"confidence":0.95,"severitySource":"cvss-text","classifier":"rss-v2"}

Threat ID: 6a6b74c49c2644c7f84cc1e9

Added to database: 07/30/2026, 15:59:00 UTC

Last enriched: 08/15/2026, 05:15:53 UTC

Last updated: 09/10/2026, 19:36:52 UTC

Views: 69

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