CVE-2026-14629
Medium
Description
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductRt-thread
PublishedJul 4, 2026
First seenJul 4, 2026
Weakness typeCWE-369CWE-369CWE-404CWE-404
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rt-thread rt-thread | 5.2.0, 5.2.1, 5.2.2 | — |
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