CVE-2026-14629

2.1 lowEPSS 0.5%

Low (2.1). EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

2.1 low

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

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWEs: CWE-369, CWE-404
Published: 2026-07-04
Modified: 2026-07-06
Record from: the NVD, synced 2026-10-19

References

https://github.com/RT-Thread/rt-thread/
https://github.com/RT-Thread/rt-thread/issues/11429
https://github.com/RT-Thread/rt-thread/pull/11453
https://vuldb.com/cve/CVE-2026-14629
https://vuldb.com/submit/845610

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