{"id":"CVE-2026-111855","revision":"4f8c8b08b0e2415a8b76b2a3099635a2","records":[{"revision":"4f8c8b08b0e2415a8b76b2a3099635a2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111855","aliases":[],"title":"An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. A path traversal vulnerability exists in the web management interface of the device. Insufficient validation of user-supplied file paths allows remote attackers to rea…","description":"An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. A path traversal vulnerability exists in the web management interface of the device. Insufficient validation of user-supplied file paths allows remote attackers to read arbitrary files accessible to the application. Depending on configuration, exploitation may be possible without authentication.","state":0,"publishedAt":"2026-10-17T02:09:21.352+00:00","modifiedAt":"2026-10-21T21:34:00.446+00:00","affected":[{"ecosystem":"Vendor product","name":"3 Series MDO","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"3 Series MDO\",\n                    \"vendor\": \"Tektronix\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"1.21.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":"HIGH"}],"references":["https://www.tek.com/en/products/oscilloscopes/3-series-mdo","https://download.tek.com/document/TEK-PSA-002-092026.pdf"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111855","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111855","identifiers":["CVE-2026-111855"]},"retained":false,"historicalAffected":[]}],"coverage":[]}