Vulnerability DatabaseCVE-2026-14629
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CVE-2026-14629
Published:July 04, 2026
Updated:August 06, 2026
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.
Related Resources (9)
https://github.com/RT-Thread/rt-thread/
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14629.json
https://nvd.nist.gov/vuln/detail/CVE-2026-14629
https://vuldb.com/submit/845610
https://vuldb.com/vuln/376145
https://github.com/RT-Thread/rt-thread/issues/11429
https://github.com/RT-Thread/rt-thread/pull/11453
https://vuldb.com/vuln/376145/cti
https://vuldb.com/cve/CVE-2026-14629
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CVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Divide By Zero
CWE-369
Improper Resource Shutdown or Release
CWE-404
EPSS
Base Score:
0.31