PT-2026-55706 · Rt-Thread · Rt-Thread

Zephyr Saxon · Published 2026-07-04 · Updated 2026-07-04 · CVE-2026-14629

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions RT-Thread versions prior to 5.2.3

Description A flaw in the Parameter Handler component allows a remote attacker to cause a divide by zero error. This issue occurs within the read(), write(), and sys ioctl() functions located in the components/lwp/lwp syscall.c file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

Divide By Zero

Weakness Enumeration

CWE-404

CWE-369

Related Identifiers

CVE-2026-14629

Affected Products

Rt-Thread

References · 10

• 🔥 https://github.com/RT-Thread/rt-thread/issues/11429 · Exploit
• https://github.com/RT-Thread/rt-thread/pull/11453 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-14629 · Security Note
• https://twitter.com/CVEnew/status/2073447441035104645 · Twitter Post
• https://vuldb.com/submit/845610 · Note
• https://vuldb.com/cve/CVE-2026-14629 · Note
• https://github.com/RT-Thread/rt-thread · Note
• https://twitter.com/infoflowcloud/status/2073448201722503466 · Twitter Post
• https://vuldb.com/vuln/376145 · Note
• https://vuldb.com/vuln/376145/cti · Note