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CVE Vulnerability Details :
CVE-2026-14629
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-04 Jul, 2026 | 13:15
Updated At-04 Jul, 2026 | 13:15
Rejected At-
▼CVE Numbering Authority (CNA)
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/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.

Affected Products
Vendor
n/a
Product
RT-Thread
CPEs
  • cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:*
Modules
  • Parameter Handler
Versions
Affected
  • 5.2.0
  • 5.2.1
  • 5.2.2
Problem Types
TypeCWE IDDescription
CWECWE-369Divide By Zero
CWECWE-404Denial of Service
Type: CWE
CWE ID: CWE-369
Description: Divide By Zero
Type: CWE
CWE ID: CWE-404
Description: Denial of Service
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
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
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.04.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.04.0N/A
AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
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
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 4.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Zephyr Saxon (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-07-03 00:00:00
VulDB entry created2026-07-03 02:00:00
VulDB entry last update2026-07-03 19:15:12
Event: Advisory disclosed
Date: 2026-07-03 00:00:00
Event: VulDB entry created
Date: 2026-07-03 02:00:00
Event: VulDB entry last update
Date: 2026-07-03 19:15:12
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/376145
vdb-entry
technical-description
https://vuldb.com/vuln/376145/cti
signature
permissions-required
https://vuldb.com/cve/CVE-2026-14629
third-party-advisory
https://vuldb.com/submit/845610
third-party-advisory
https://github.com/RT-Thread/rt-thread/issues/11429
exploit
issue-tracking
https://github.com/RT-Thread/rt-thread/pull/11453
issue-tracking
patch
https://github.com/RT-Thread/rt-thread/
product
Hyperlink: https://vuldb.com/vuln/376145
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/376145/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/cve/CVE-2026-14629
Resource:
third-party-advisory
Hyperlink: https://vuldb.com/submit/845610
Resource:
third-party-advisory
Hyperlink: https://github.com/RT-Thread/rt-thread/issues/11429
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/RT-Thread/rt-thread/pull/11453
Resource:
issue-tracking
patch
Hyperlink: https://github.com/RT-Thread/rt-thread/
Resource:
product
Details not found