8.5
HIGH CVSS 4.0
CVE-2025-6693
RT-Thread Device 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.

INFO

Published Date :

June 26, 2025, 1:15 p.m.

Last Modified :

July 11, 2025, 2:27 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-6693 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Rt-thread rt-thread
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-6693.

URL Resource
https://github.com/RT-Thread/rt-thread/issues/10387 Exploit Issue Tracking
https://vuldb.com/?ctiid.313959 Permissions Required VDB Entry
https://vuldb.com/?id.313959 Third Party Advisory VDB Entry
https://vuldb.com/?submit.595813 Third Party Advisory VDB Entry
https://vuldb.com/?submit.595814 Third Party Advisory VDB Entry
https://vuldb.com/?submit.595827 Third Party Advisory VDB Entry
https://vuldb.com/?submit.595869 Third Party Advisory VDB Entry
https://vuldb.com/?submit.595870 Third Party Advisory VDB Entry
https://vuldb.com/?submit.595871 Third Party Advisory VDB Entry
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-6693 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-6693 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-6693 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jul. 11, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:* versions up to (including) 5.1.0
    Added Reference Type VulDB: https://github.com/RT-Thread/rt-thread/issues/10387 Types: Exploit, Issue Tracking
    Added Reference Type VulDB: https://vuldb.com/?ctiid.313959 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.313959 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.595813 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.595814 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.595827 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.595869 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.595870 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.595871 Types: Third Party Advisory, VDB Entry
  • New CVE Received by [email protected]

    Jun. 26, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V2 (AV:L/AC:L/Au:S/C:C/I:C/A:C)
    Added CWE CWE-119
    Added Reference https://github.com/RT-Thread/rt-thread/issues/10387
    Added Reference https://vuldb.com/?ctiid.313959
    Added Reference https://vuldb.com/?id.313959
    Added Reference https://vuldb.com/?submit.595813
    Added Reference https://vuldb.com/?submit.595814
    Added Reference https://vuldb.com/?submit.595827
    Added Reference https://vuldb.com/?submit.595869
    Added Reference https://vuldb.com/?submit.595870
    Added Reference https://vuldb.com/?submit.595871
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.5
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact