VulnerabilityPublished 25 Jun 2025

CVE-2025-5832: Pioneer DMH-WT7600NEX · Insufficient Verification of Data Authenticity

Affects Pioneer DMH-WT7600NEXSource CVE Database V5

Not known to be exploited · CVSS 6.8 Medium.

Data as of 26 Oct 2026, 12:55 UTC

CVSS 3.0 base score

6.8Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector: Physical
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Physical: The attack requires the attacker to physically touch or manipulate the vulnerable component. Physical interaction may be brief or persistent.
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: High: There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.
Availability: High: There is total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 25 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Pioneer DMH-WT7600NEX	Affected =3.05	Fixed in–

AI-suggested

Physical Security: Enhance physical security controls to restrict unauthorized access to vehicles, especially in fleet and rental environments. Use secure parking facilities and implement surveillance to deter tampering.
Update Management: Monitor Pioneer’s official channels for patches or firmware updates addressing this vulnerability and prioritize timely deployment once available.
Device Monitoring: Implement anomaly detection on vehicle infotainment systems to identify unusual behavior indicative of compromise, such as unexpected reboots or unauthorized software changes.
Access Controls: Where possible, disable or restrict software update capabilities when the vehicle is unattended or in unsecured locations.
Vendor Engagement: Engage with Pioneer and automotive suppliers to advocate for improved cryptographic verification of software updates, including full package validation and cryptographic signatures.
Incident Response: Develop incident response plans specific to vehicle infotainment compromises, including forensic analysis capabilities to assess potential breaches.
User Awareness: Educate drivers and fleet operators about the risks of physical tampering and encourage reporting of suspicious activity around vehicles.
Network Segmentation: Ensure that infotainment systems are properly segmented from critical vehicle control networks to limit lateral movement in case of compromise. These measures go beyond generic advice by focusing on physical security, monitoring, and vendor collaboration tailored to the automotive context of this vulnerability.

Description

Pioneer DMH-WT7600NEX Software Update Signing Insufficient Verification of Data Authenticity Vulnerability. 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. Was ZDI-CAN-26079.

Impact

For European organizations, especially those in automotive manufacturing, fleet management, and transportation services, this vulnerability poses a tangible risk. The Pioneer DMH-WT7600NEX is a widely used aftermarket and OEM infotainment system in Europe, integrated into many vehicles. Exploitation could lead to unauthorized code execution, potentially compromising sensitive user data stored on the device, such as navigation history, contacts, and media files. Moreover, attackers could disrupt infotainment functionality, leading to driver distraction or loss of critical vehicle information displays. In fleet vehicles, this could impact operational efficiency and safety. Although the attack requires physical access, the risk is elevated in scenarios such as vehicle servicing, rentals, or public parking where attackers might gain proximity. Additionally, compromised infotainment systems could serve as entry points to broader vehicle networks, raising concerns about vehicle control systems' integrity and safety. The lack of authentication in the update verification process increases the risk that malicious updates could be installed without detection. The absence of patches means organizations must rely on compensating controls until a fix is available. Overall, the vulnerability could undermine trust in vehicle security and privacy, with potential regulatory implications under European data protection laws if personal data is exposed.

CWE-345Insufficient Verification of Data Authenticity (opens in a new tab)
Class weaknessOWASP Top 10 A08:2025: Software or Data Integrity Failures (opens in a new tab)
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
MITRE discourages mapping vulnerabilities to this broad entry; the root cause is usually a more specific weakness.
OWASP Cheat Sheets
XML Security (opens in a new tab)
REST Security (opens in a new tab)
JSON Web Token for Java (opens in a new tab)
REST Assessment (opens in a new tab)
Cross-Site Request Forgery Prevention (opens in a new tab)
OWASP ASVS 4.0.3
V13.3.2 (opens in a new tab)
V3.5.3 (opens in a new tab)
V13.2.6 (opens in a new tab)
Attack patterns
JSON Hijacking (aka JavaScript Hijacking) (opens in a new tab)
Cache Poisoning (opens in a new tab)
DNS Cache Poisoning (opens in a new tab)
Spoofing of UDDI/ebXML Messages (opens in a new tab)
Application API Message Manipulation via Man-in-the-Middle (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

zerodayinitiative.com/advisories/ZDI-25-352/ (opens in a new tab)

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 25 Jun 2025, 18:27 UTC

WeaknessesCWE-345

Technical details

References

Community reviews

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