# CVE-2025-5834: Pioneer DMH-WT7600NEX Missing Immutable Root of Trust in Hardware Local Privilege Escalation Vulnerability

> Local attackers can bypass authentication and execute arbitrary code during boot due to missing hardware root of trust in Pioneer car stereos.

- **Severity:** Medium 4.4 (`CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Jun 2025
- **Updated:** 25 Jun 2025
- **Also known as:** GHSA-wgjf-w4xh-g5m8

## What is CVE-2025-5834?

CVE-2025-5834 is a medium-severity 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 Missing Immutable Root of Trust in Hardware Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to bypass authentication on affected installations of Pioneer DMH-WT7600NEX devices. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the configuration of the application system-on-chip (SoC). The issue results from the lack of a properly configured hardware root of trust. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the boot process. Was ZDI-CAN-26078.

Weakness: CWE-1326 (Missing Immutable Root of Trust in Hardware)

## Which versions are affected by CVE-2025-5834?

It affects 1 product.


Products: Pioneer Dmh-Wt7600nex Firmware.

## How do I fix CVE-2025-5834?

No fix has been published for CVE-2025-5834 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-5834 being exploited?

There is no known exploitation of CVE-2025-5834 in the wild and no public exploit code.

## Other vulnerabilities in Pioneer DMH-WT7600NEX

- [CVE-2024-23929](https://insights.sbomify.com/CVE-2024-23929/): Pioneer DMH-WT7600NEX Telematics Directory Traversal (high 7.3)
- [CVE-2025-5832](https://insights.sbomify.com/CVE-2025-5832/): Pioneer DMH-WT7600NEX Software Update Signing Insufficient Verification of Data Authenticity Vulnerability (medium 6.8)
- [CVE-2024-23928](https://insights.sbomify.com/CVE-2024-23928/): Pioneer DMH-WT7600NEX Telematics Improper Certificate Validation (medium 6.5)
- [CVE-2025-5833](https://insights.sbomify.com/CVE-2025-5833/): Pioneer DMH-WT7600NEX Root Filesystem Insufficient Verification of Data Authenticity Vulnerability (medium 4.6)
- [CVE-2024-23930](https://insights.sbomify.com/CVE-2024-23930/): Pioneer DMH-WT7600NEX Media Service Improper Handling of Exceptional Conditions (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-5834 and fix it if it is affected.

What it is: CVE-2025-5834 is a medium-severity 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.
Exploitation: There is no known exploitation of CVE-2025-5834 in the wild and no public exploit code.

Affected product: Pioneer DMH-WT7600NEX. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-5834/ (Markdown: https://insights.sbomify.com/CVE-2025-5834/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-5834
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-5834
- OSV: https://osv.dev/vulnerability/CVE-2025-5834

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-5834/
Summaries are generated and may contain mistakes; the official description above is the record.
