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Vulnerability record · CVE-2026-18270 · published 20 August 2026

CVE-2026-18270: Incorrect permission assignment vulnerability

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.

7.8 CVSS 3.0 High EPSS 0.15% · top 96.2% CWE-732 · Incorrect permission assignment Deferred
7.8CVSS 3.0 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
31 Aug 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://www.kenwood.com/cs/ce/mm/firmware/2020/2020f/eng.html
https://www.zerodayinitiative.com/advisories/ZDI-26-487/

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Source: NIST National Vulnerability Database (record CVE-2026-18270), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.