# CVE-2025-5867

## Summary

- **CVE ID:** CVE-2025-5867
- **Severity:** HIGH
- **CVSS Score:** 8.6 (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)
- **CWE:** CWE-476, CWE-404
- **Published:** Jun 9, 2025
- **Last Modified:** Mar 13, 2026

## 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.

## Affected Products

- n/a — RT-Thread (5.1.0)

## References

- [CNA](https://vuldb.com/?id.311626)
- [CNA](https://vuldb.com/?ctiid.311626)
- [CNA](https://vuldb.com/?submit.584129)
- [CNA](https://github.com/RT-Thread/rt-thread/issues/10299)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.16%
- **EPSS Percentile:** 65.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._