A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function sys_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.

Metrics

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Adjacent Network

Access Complexity Medium

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00189.

Exploitation poc

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Rt-thread
  • Rt-thread

Configuration 1 [-]

cpe:2.3:o:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:*

No data.

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Vendors Products
Rt-thread
  • Rt-thread
Advisories
Source ID Title
EUVD EUVD EUVD-2025-17438 A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function sys_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/RT-Thread/rt-thread/issues/10300 cve-icon cve-icon
https://vuldb.com/?ctiid.311625 cve-icon cve-icon
https://vuldb.com/?id.311625 cve-icon cve-icon
https://vuldb.com/?submit.584127 cve-icon cve-icon
History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00036}

 epss

{'score': 0.00182}

Fri, 11 Jul 2025 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Rt-thread
Rt-thread rt-thread
CPEs cpe:2.3:o:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:*
Vendors & Products Rt-thread
Rt-thread rt-thread

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00031}

 epss

{'score': 0.00036}

Mon, 09 Jun 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 09 Jun 2025 07:15:00 +0000

Type Values Removed Values Added
Description A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function sys_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.
Title RT-Thread lwp_syscall.c sys_sigprocmask array index
Weaknesses CWE-119
CWE-129
References
Metrics cvssV2_0

{'score': 7.4, 'vector': 'AV:A/AC:M/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 8, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-06-09T13:38:00.468Z

Reserved: 2025-06-08T17:36:29.825Z

Link: CVE-2025-5866

cve-icon Vulnrichment

Updated: 2025-06-09T13:37:07.804Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-09T07:15:22.947

Modified: 2025-07-11T18:19:58.213

Link: CVE-2025-5866

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-06-23T09:16:30Z