Vulnerability · Published Aug 6, 2025 · Assigned by zdi

CVE-2025-8656Kenwood DMX958XR Protection Mechanism Failure Software Downgrade Vulnerability

Medium 6.8

In plain English

A medium-severity security flaw in DMX958XR from Kenwood. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.0)6.8Medium

Exploit odds (30 days)0.3%top 81.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Kenwood	DMX958XR	1.0.0509.3100

Weakness: CWE-693 · Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ZDI-25-804 x_research-advisory