CVE-2025-5833 Pioneer DMH-WT7600NEX Root Filesystem Insufficient Verification of Data Authenticity Vulnerability

Medium 4.6 Published 25 Jun 2025 Updated 25 Jun 2025

Physically present attackers can bypass authentication on Pioneer DMH-WT7600NEX devices due to insufficient root filesystem verification.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-5833?

CVE-2025-5833 is a medium-severity authentication bypass vulnerability in Pioneer DMH-WT7600NEX, published on 25 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Pioneer DMH-WT7600NEX Root Filesystem Insufficient Verification of Data Authenticity Vulnerability. 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. Was ZDI-CAN-26077.

Weakness: CWE-345

Which versions are affected by CVE-2025-5833?

It affects 1 product.

Products include Pioneer Dmh-Wt7600nex Firmware.

How do I fix CVE-2025-5833?

No fix has been published for CVE-2025-5833 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-5833 being exploited?

There is no known exploitation of CVE-2025-5833 in the wild and no public exploit code.

Sources

Also known as GHSA-h9r7-cjmf-jrcg.