CVE-2025-6693

8.5 highEPSS 0.3%

High (8.5) in rt-thread rt-thread. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2025-06-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rt-thread:rt-thread

References

https://github.com/RT-Thread/rt-thread/issues/10387
https://vuldb.com/?ctiid.313959
https://vuldb.com/?id.313959
https://vuldb.com/?submit.595813
https://vuldb.com/?submit.595814

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