CVE-2025-5867

RT-Thread lwp_syscall.c csys_sendto null pointer dereference

Published Jun 9, 2025 CVSS 4.0 · 8.6 High EPSS 1.2% KEV · Not listed
Description
A vulnerability classified as critical was found in RT-Thread 5.1.0. This vulnerability affects the function csys_sendto of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument to leads to null pointer dereference.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-17443 A vulnerability classified as critical was found in RT-Thread 5.1.0. This vulnerability affects the function csys_sendto of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument to leads to null pointer dereference.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00069}

epss

{'score': 0.00308}

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
Type Values Removed Values Added
Metrics epss

{'score': 0.00048}

epss

{'score': 0.00069}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability classified as critical was found in RT-Thread 5.1.0. This vulnerability affects the function csys_sendto of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument to leads to null pointer dereference.
Title RT-Thread lwp_syscall.c csys_sendto null pointer dereference
Weaknesses CWE-404
CWE-476
References
Metrics cvssV2_0

{'score': 7.7, 'vector': 'AV:A/AC:L/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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jun 9, 2025, 6:07 PM
Reserved
Jun 8, 2025, 5:36 PM
Status
Analyzed
Published
Jun 9, 2025, 8:15 AM
Modified
Jun 17, 2026, 9:48 AM