CVE-2025-8656
Kenwood DMX958XR Protection Mechanism Failure Software Downgrade Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Kenwood DMX958XR Protection Mechanism Failure Software Downgrade Vulnerability
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.
- Record
CVE-2025-8656- CVSS 3.0
- 6.8 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
EUVDEUVD-2025-23677
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.
- Record
EUVD-2025-23677- CVSS 3.0
- 6.8 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wc9h-gmqm-v3v8
Kenwood DMX958XR Protection Mechanism Failure Software Downgrade Vulnerability. This...
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.
- Record
GHSA-wc9h-gmqm-v3v8- CVSS 3.0
- 6.8 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-8656- CVSS 3.0
- 6.8 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-8656 is a medium vulnerability (CVSS 6.8) in Kenwood Dmx958xr, published August 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.