Home/CVE/A vulnerability, which was classified as critical, was found in RT-Thread up to 5.1.0. This affects the function sys_dev
CVE

CVE-2025-6693

A vulnerability, which was classified as critical, was found in RT-Thread up to 5.1.0. This affects the function sys_dev

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.

HIGH · CVSS 7.8 EPSS 0.00095
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
rt-thread<= 5.1.0
⚠

Public Exploits & PoCs

1
pocgithub.com · 10387github.com
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Jun 2025 · 01:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.313959Permissions RequiredVDB Entry
https://vuldb.com/?id.313959Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.595813Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.595814Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.595827Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.595869Third Party AdvisoryVDB Entry
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