{"id":"CVE-2026-42469","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-42469","generatedAt":"2026-10-28T01:48:13.398Z","title":"Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005.","description":"Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_canswitch.cpp the parser does not properly validate a CANswitch DLC value, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted CANswitch frames.","published":"2026-05-01T17:16:25.000Z","lastModified":"2026-06-17T10:47:53.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"},"cwe":["CWE-121"],"affected":["openvehicles/open vehicle monitoring system firmware"],"epss":{"score":0.00356,"percentile":0.29095,"date":"2026-10-26","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 (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1391","tags":["Issue Tracking"],"source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-42469","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."}