VDB-312353 · CVE-2025-5833 · EUVD-2025-19125

Pioneer DMH-WT7600NEX Root Filesystem data authenticity

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Pioneer DMH-WT7600NEX. This affects an unknown function of the component Root Filesystem. The manipulation leads to data authenticity. This vulnerability is listed as CVE-2025-5833. It is possible to launch the attack on the physical device. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Pioneer DMH-WT7600NEX (version now known). It has been rated as critical. This issue affects some unknown processing of the component Root Filesystem. The manipulation with an unknown input leads to a data authenticity vulnerability. Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at zerodayinitiative.com. The identification of this vulnerability is CVE-2025-5833 since 06/06/2025. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19125). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Pioneer

Name

DMH-WT7600NEX

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.6
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/06/2025 CVE reserved
06/12/2025 +6 days Advisory disclosed
06/12/2025 +0 days VulDB entry created
06/26/2025 +14 days VulDB entry last update

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2025-5833 (🔒)
GCVE (CVE): GCVE-0-2025-5833
GCVE (VulDB): GCVE-100-312353
EUVD: 🔒

Entryinfo

Created: 06/12/2025 07:11
Updated: 06/26/2025 04:08
Changes: 06/12/2025 07:11 (50), 06/25/2025 21:54 (1), 06/26/2025 04:08 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.