CVE-2025-8656
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-08-06

Last updated on: 2025-08-07

Assigner: Zero Day Initiative

Description
Kenwood DMX958XR Protection Mechanism Failure Software Downgrade Vulnerability. This vulnerability allows physically present attackers to downgrade software on affected installations of Kenwood DMX958XR devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the libSystemLib library. The issue results from the lack of proper validation of version information before performing an update. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-26355.
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Meta Information
Published
2025-08-06
Last Modified
2025-08-07
Generated
2026-05-07
AI Q&A
2025-08-06
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
jvckenwood dmx958xr_firmware 1.0.0509.3100
jvckenwood dmx958xr *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-693 The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability affects Kenwood DMX958XR devices and involves a failure in the protection mechanism that allows an attacker who is physically present to downgrade the device's software without needing authentication. The flaw is in the libSystemLib library, where version information is not properly validated before an update, enabling the downgrade. This can be exploited along with other vulnerabilities to execute arbitrary code with root privileges.


How can this vulnerability impact me? :

The vulnerability can allow an attacker with physical access to downgrade the device's software, potentially enabling them to execute arbitrary code with root privileges. This can lead to full compromise of the affected device, including unauthorized control, data manipulation, or disruption of device functionality.


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