TI-2025-07926 Aliases CVE-2025-8656 GHSA-wc9h-gmqm-v3v8

Protection mechanism failure in Kenwood DMX958XR

LOW 32CWE-693Published 2025-08-06 · Updated 2025-08-06

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-693.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00272 19th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Kenwood	DMX958XR	1.0.0509.3100	—	No fix listed	CNA

DMX958XR VendorKenwood Affected 1.0.0509.3100 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:jvckenwood:dmx958xr_firmware:1.0.0509.3100:::::::*	1.0.0509.3100	Vulnerable	Kenwood
cpe:2.3:h:jvckenwood:dmx958xr:-:::::::*	not specified by NVD	Running on	Kenwood

cpe:2.3:o:jvckenwood:dmx958xr_firmware:1.0.0509.3100:*:*:*:*:*:*:* Versions 1.0.0509.3100 Vulnerable ·Kenwood
cpe:2.3:h:jvckenwood:dmx958xr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Kenwood

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-8656
2026-10-03 Alias added: GHSA-wc9h-gmqm-v3v8

References

Advisory 1

ZDI-25-804

TI-2025-07924 OS command injection in Kenwood DMX958XR CVSS 3.0HIGH 8.8
TI-2025-07923 Stack-based buffer overflow in Kenwood DMX958XR CVSS 3.0HIGH 8.8
TI-2025-07918 OS command injection in Kenwood DMX958XR CVSS 3.0MEDIUM 6.8
TI-2025-07917 OS command injection in Kenwood DMX958XR CVSS 3.0MEDIUM 6.8
TI-2025-07916 OS command injection in Kenwood DMX958XR CVSS 3.0MEDIUM 6.8
TI-2025-07915 OS command injection in Kenwood DMX958XR CVSS 3.0MEDIUM 6.8

See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences