CVE-2025-8653 Kenwood DMX958XR JKRadioService Stack-based Buffer Overflow Remote Code Execution Vulnerability

High 8.8 Published 6 Aug 2025 Updated 6 Aug 2025

Network-adjacent attackers can execute arbitrary code with root privileges on Kenwood DMX958XR units via a stack-based buffer overflow in JKRadioService.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-8653?

CVE-2025-8653 is a high-severity memory corruption vulnerability in Kenwood DMX958XR, published on 6 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Kenwood DMX958XR JKRadioService Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Kenwood DMX958XR. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the JKRadioService. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-26312.

Weakness: CWE-121

Which versions are affected by CVE-2025-8653?

It affects 1 product.

Products include Jvckenwood Dmx958xr Firmware.

How do I fix CVE-2025-8653?

No fix has been published for CVE-2025-8653 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-8653 being exploited?

There is no known exploitation of CVE-2025-8653 in the wild and no public exploit code.

Sources

Also known as GHSA-w38h-fgjj-v89j.