Advisory Details

June 11th, 2025

Pioneer DMH-WT7600NEX Root Filesystem Insufficient Verification of Data Authenticity Vulnerability

ZDI-25-350
ZDI-CAN-26077

CVE ID CVE-2025-5833
CVSS SCORE 4.6, AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
AFFECTED VENDORS Pioneer
AFFECTED PRODUCTS DMH-WT7600NEX
VULNERABILITY DETAILS

This vulnerability allows physically present attackers to bypass authentication on affected installations of Pioneer DMH-WT7600NEX devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the configuration of the operating system. The issue results from the lack of properly configured protection for the root file system. An attacker can leverage this vulnerability to bypass authentication on the system.
ADDITIONAL DETAILS

Fixed in Version 3.06 https://www.pioneerelectronics.com/PUSA/Support/Downloads
DISCLOSURE TIMELINE
  • 2025-01-14 - Vulnerability reported to vendor
  • 2025-06-11 - Coordinated public release of advisory
  • 2025-06-11 - Advisory Updated
CREDIT Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative
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