CVE-2025-6693CWE-119

RT-Thread device.c sys_device_write memory corruption

High · published June 26, 2025

CVSS v4.0
8.5
EPSS
0%
Percentile
20.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
EPSS
0.00289 · 20.3th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2025-06-26T13:00Z
EPSS history
Timeline
  • 26 JUN 13:00Z
    RT-Thread device.c sys_device_write memory corruption
    cvelistv5