Kenwood DMX958XR 1.0.0509.3100 JKRadioService stack-based overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in Kenwood DMX958XR 1.0.0509.3100. This issue affects some unknown processing of the component JKRadioService. This manipulation causes stack-based overflow. The identification of this vulnerability is CVE-2025-8653. The attack needs to be done within the local network. There is no exploit available.

Detailsinfo

A vulnerability was found in Kenwood DMX958XR 1.0.0509.3100. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component JKRadioService. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2025-8653 since 08/06/2025. The exploitation appears to be easy. The attack can only be done within the local network. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/06/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-23680). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Kenwood

Name

• DMX958XR

Version

• 1.0.0509.3100

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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