CVE-2026-18271
CVE-2026-18271
Kenwood DNR1007XR vCardParser Heap-based Buffer Overflow Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Kenwood DNR1007XR devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the vCardParser class. The issue results from the lack of proper validation of a user-supplied string before copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28974.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-488/ (x_research-advisory)
- www.kenwood.com/cs/ce/mm/firmware/2020/2020f/eng.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-18271?
- CVE-2026-18271 is a medium-severity vulnerability, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-08-20.
- How severe is CVE-2026-18271?
- Medium severity. CVSS v3 base score is 6.8 out of 10.