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CVE-2025-6693

RT-Thread device.c sys_device_write memory corruption

Published: Jun 26, 2025Updated: Jul 11, 2025 Sources: CVE List NVDCWE-119
7.8HIGH
NVD MITRE
EPSS Score
0.2%
Top 84.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119

Affected Products

rt-threadrt-thread
Embedded
Operating Systems / rtos-embedded-os
RT-Threadn/a
rt-threadoss-projectOperating Systemsaka rtthread

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
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References

https://github.com/RT-Thread/rt-thread/issues/10387
github.com
https://vuldb.com/?ctiid.313959
vuldb.com
https://vuldb.com/?id.313959
vuldb.com
and 6 more references View all →

Timeline

Published
Jun 26, 2025
Last Updated
Jul 11, 2025

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