{"id":"CVE-2026-14629","state":"PUBLISHED","title":"RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero","description":"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.","publishedAt":"2026-07-04T13:15:08.868Z","updatedAt":"2026-07-06T15:00:19.211Z","severity":{"score":5.3,"label":"Medium","version":"4.0","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","source":"VulDB"},"assigner":"VulDB","products":["n/a RT-Thread"],"affected":[{"vendor":"n/a","product":"RT-Thread","versions":[{"version":"5.2.0","status":"affected"},{"version":"5.2.1","status":"affected"},{"version":"5.2.2","status":"affected"}],"cpes":["cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:*"],"modules":["Parameter Handler"]}],"references":["https://vuldb.com/vuln/376145","https://vuldb.com/vuln/376145/cti","https://vuldb.com/cve/CVE-2026-14629","https://vuldb.com/submit/845610","https://github.com/RT-Thread/rt-thread/issues/11429","https://github.com/RT-Thread/rt-thread/pull/11453","https://github.com/RT-Thread/rt-thread/"],"weaknesses":["CWE-369","CWE-404"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/14xxx/CVE-2026-14629.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14629","state":"PUBLISHED","datePublished":"2026-07-04T13:15:08.868Z","dateUpdated":"2026-07-06T15:00:19.211Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-07-03T17:10:08.620Z"},"containers":{"cna":{"title":"RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero","descriptions":[{"lang":"en","value":"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":[{"vendor":"n/a","product":"RT-Thread","versions":[{"version":"5.2.0","status":"affected"},{"version":"5.2.1","status":"affected"},{"version":"5.2.2","status":"affected"}],"cpes":["cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:*"],"modules":["Parameter Handler"]}],"references":[{"url":"https://vuldb.com/vuln/376145","name":"VDB-376145 | RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/376145/cti","name":"VDB-376145 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-14629","name":"CVE-2026-14629 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/845610","name":"Submit #845610 | RT-Thread v5.2.2 Improper Handling of Parameters","tags":["third-party-advisory"]},{"url":"https://github.com/RT-Thread/rt-thread/issues/11429","tags":["exploit","issue-tracking"]},{"url":"https://github.com/RT-Thread/rt-thread/pull/11453","tags":["issue-tracking","patch"]},{"url":"https://github.com/RT-Thread/rt-thread/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-369","type":"CWE","lang":"en","description":"Divide By Zero"}]},{"descriptions":[{"cweId":"CWE-404","type":"CWE","lang":"en","description":"Denial of Service"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-07-04T13:15:08.868Z"},"timeline":[{"time":"2026-07-03T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-07-03T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-07-03T19:15:12.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Zephyr Saxon (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-06T15:00:11.643666Z","id":"CVE-2026-14629","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-06T15:00:19.211Z"}}]}}}