{"id":"CVE-2025-5865","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-5865","generatedAt":"2026-10-28T09:26:07.623Z","title":"A vulnerability was found in RT-Thread 5.1.0.","description":"A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.c of the component Parameter Handler. The manipulation of the argument timeout leads to memory corruption. The vendor explains, that \"[t]he timeout parameter should be checked to check if it can be accessed correctly in kernel mode and used temporarily in kernel memory.\"","published":"2025-06-09T07:15:23.000Z","lastModified":"2026-06-17T09:48:54.000Z","status":"Analyzed","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":8.6,"severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-119"],"affected":["rt-thread/rt-thread"],"epss":{"score":0.00878,"percentile":0.58866,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/RT-Thread/rt-thread/issues/10298","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://github.com/RT-Thread/rt-thread/issues/10298#issuecomment-2894952150","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.311624","tags":["Permissions Required","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.311624","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.584124","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://github.com/RT-Thread/rt-thread/issues/10298","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-5865","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}