Answer in brief
CVE-2026-14629 records a Medium severity (CVSS 4.3) vulnerability in RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero. The current sources do not mark it as known exploited. The current feed maps n/a/RT-Thread (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps n/a/RT-Thread (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| n/a/RT-Threadgeneric | 5.2.0 || 5.2.1 || 5.2.2 | Not reported |
Published upstream
Jul 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 4, 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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-14629 records a Medium severity (CVSS 4.3) vulnerability in RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero. The current sources do not mark it as known exploited. The current feed maps n/a/RT-Thread (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps n/a/RT-Thread (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| n/a/RT-Threadgeneric | 5.2.0 || 5.2.1 || 5.2.2 | Not reported |
Published upstream
Jul 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 4, 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.
Quoted source text, attributed separately from HOL analysis.