CVE-2025-6693 - CVE House
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Status published High CVE-2025-6693

RT-Thread device.c sys_device_write memory corruption

Vulnerability Description

A vulnerability, which was classified as critical, was found in RT-Thread up to 5.1.0. This affects the function sys_device_open/sys_device_read/sys_device_control/sys_device_init/sys_device_close/sys_device_write of the file components/drivers/core/device.c. The manipulation leads to memory corruption. It is possible to launch the attack on the local host. The vendor was contacted early about this disclosure but did not respond in any way.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Zephyr Saxon (VulDB User)

Affected Vendor

Affected Software

RT-Thread
Vulnerable Versions:
5.0, 5.1.0

Timeline

Official Publish: June 26th, 2025
Last Modified: June 26th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R

Weaknesses (CWE)