CVE-2025-5867

HIGH

RT-Thread 5.1.0 - Null Pointer Dereference

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 8.0
EPSS 0.0115
EPSS Percentile 78.6%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-476 CWE-404
Status published
Products (1)
rt-thread/rt-thread 5.1.0
Published Jun 09, 2025
Tracked Since Feb 18, 2026