Out-Of-Bounds Write Vulnerability in Kenwood DNR1007XR Devices
CVE-2026-18269

6.8MEDIUM

Key Information:

Vendor

Kenwood

Status
Dnr1007xr
Vendor
CVE Published:
20 August 2026

What is CVE-2026-18269?

The Kenwood DNR1007XR devices contain an out-of-bounds write vulnerability within the tchdr_bytestream_read function. This flaw arises due to insufficient validation of user-supplied data, enabling physically present attackers to write past the end of an allocated buffer. Consequently, this can lead to arbitrary code execution with root privileges, posing a significant risk to device integrity. No authentication is required for exploitation, which further increases the potential for unauthorized access.

Affected Version(s)

DNR1007XR 1.7.0003.1000

References

https://www.zerodayinitiative.com/advisories/ZDI-26-486/
x_research-advisory
https://www.kenwood.com/cs/ce/mm/firmware/2020/2020f/eng....
vendor-advisory

CVSS V3.0

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.