Pioneer DMH-WT7600NEX Software Update Signing Insufficient Verification of Data Authenticity Vulnerability

June 11th, 2025
ZDI-25-352 ZDI-CAN-26079

CVE ID

CVE-2025-5832

CVSS Score

6.8 AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Pioneer

Affected Products

DMH-WT7600NEX

Vulnerability Details

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

The specific flaw exists within the software update verification process. The issue results from the lack of validating all the data in the software update. An attacker can leverage this vulnerability to execute code in the context of the device.

Additional Details

Fixed in Version 3.07 https://www.pioneerelectronics.com/PUSA/Support/Downloads


Disclosure Timeline

  • 2025-01-14 - Vulnerability reported to vendor
  • 2025-06-11 - Coordinated public release of advisory
  • 2025-08-28 - Advisory Updated

Credit

Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative

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