---
id: CVE-2026-14607
title: A weakness has been identified in RT-Thread up to 5.0.2
summary: >-
  A weakness has been identified in RT-Thread up to 5.0.2. This affects the
  function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. Executing a
  manipulation of the argument ai_addr can lead to memory corruption. The attack
  can o…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-119
published: '2026-07-03'
updated: '2026-07-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-14607'
references:
  - url: 'https://github.com/RT-Thread/rt-thread/'
    label: cna@vuldb.com
  - url: 'https://github.com/RT-Thread/rt-thread/issues/11428'
    label: cna@vuldb.com
  - url: 'https://github.com/RT-Thread/rt-thread/pull/11454'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-14607'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/844622'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/376115'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/376115/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-07-04T11:56:06.571Z'
epss: 0.00167
epssPercentile: 0.05261
---

## Overview

A weakness has been identified in RT-Thread up to 5.0.2. This affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. Executing a manipulation of the argument ai_addr can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.