CVE-2026-18273
CVE-2026-18273
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (10.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-490/ (x_research-advisory)
- www.kenwood.com/cs/ce/mm/firmware/2020/2020f/eng.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-18273?
- CVE-2026-18273 is a medium-severity vulnerability, classified under Incorrect Default Permissions. CVSS score: 6.6/10. Published 2026-08-20.
- How severe is CVE-2026-18273?
- Medium severity. CVSS v3 base score is 6.6 out of 10.