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Status published
High
CVE-2025-5867
RT-Thread lwp_syscall.c csys_sendto null pointer dereference
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Zephyr Saxon (VulDB User)
References
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Affected Vendor
Affected Software
RT-Thread
Vulnerable Versions:
5.1.0
Timeline
Official Publish:
June 9th, 2025
Last Modified:
June 9th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
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
MITRE ATT&CK TTPs
T1499
Endpoint Denial of Service
Impact
T1499.004
Application or System Exploitation
Impact
T1489
Service Stop
Impact
T1203
Exploitation for Client Execution
Execution
T1190
Exploit Public-Facing Application
Initial Access
T1498
Network Denial of Service
Impact
T1562
Impair Defenses
Defense Evasion
T1046
Network Service Discovery
Discovery