CVE-2026-14629: RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero
A flaw has been found in RT-Thread up to 5.2.2. Affected is the function read/write/sysioctl of the file components/lwp/lwpsyscall.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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-14629?
The severity of CVE-2026-14629 is medium, with a score of 4.3.
How do I fix CVE-2026-14629?
To fix CVE-2026-14629, upgrade to a version of RT-Thread later than 5.2.2 that addresses this vulnerability.
What causes the vulnerability in CVE-2026-14629?
CVE-2026-14629 is caused by a divide by zero flaw in the read/write/sys_ioctl functions in the lwp_syscall.c file.
Can CVE-2026-14629 be exploited remotely?
Yes, CVE-2026-14629 can be exploited remotely due to its nature.
Which software is affected by CVE-2026-14629?
CVE-2026-14629 affects RT-Thread versions up to 5.2.2.