CVE-2026-18270
CVE-2026-18270
Kenwood DNR1007XR udhcpd Incorrect Permission Assignment Local Privilege Escalation Vulnerability. This vulnerability allows local 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 udhcpd service. The issue results from incorrect permissions set on a resource used by the service. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of root. Was ZDI-CAN-29111.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (3.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-487/ (x_research-advisory)
- www.kenwood.com/cs/ce/mm/firmware/2020/2020f/eng.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-18270?
- CVE-2026-18270 is a high-severity vulnerability, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2026-08-20.
- How severe is CVE-2026-18270?
- High severity. CVSS v3 base score is 7.8 out of 10.