CVE-2026-14629 MEDIUM

CVE-2026-14629: RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero

Vendor N/A
Product RT-Thread
Weakness CWE-369
Published July 4, 2026
Last update July 4, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in RT-Thread up to 5.2.2. Affected is the function read/write/sys_ioctl of the file components/lwp/lwp_syscall.c of the component Parameter Handler. Executing a manipulation can lead to divide by zero. The attack may be launched remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Key dates

02Disclosure timeline

July 4, 2026 CVE published