CVE-2026-18273 Kenwood DNR1007XR USB Incorrect Default Permissions Local Privilege Escalation Vulnerability
Physically present attackers can escalate privileges to root via incorrect USB mount permissions on Kenwood DNR1007XR devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18273?
CVE-2026-18273 is a medium-severity vulnerability in Kenwood DNR1007XR, published on 20 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Kenwood DNR1007XR USB Incorrect Default Permissions Local Privilege Escalation Vulnerability. This vulnerability allows physically present attackers to escalate privileges on affected installations of Kenwood DNR1007XR devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the configuration of the mount point for the USB filesystem. The issue results from incorrect permissions on a directory used by the product. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-29070.
Weakness: CWE-276
Which versions are affected by CVE-2026-18273?
How do I fix CVE-2026-18273?
No fix has been published for CVE-2026-18273 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-18273 being exploited?
There is no known exploitation of CVE-2026-18273 in the wild and no public exploit code.
Sources
Also known as GHSA-cf99-wgcf-8gw4.