{"id":"CVE-2026-111853","title":"An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1","summary":"An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. An OS command injection vulnerability exists in the FILESystem:MOUNT:DRIve SCPI command handler. Insufficient neutralization of user-supplied input allows remote at…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-78"],"vendor":"Tektronix","product":"3 Series MDO","affected":["3_series_mdo < 1.21.1"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-19T18:40:37.749109Z"},"published":"2026-10-17","updated":"2026-10-19","sourceUpdated":"2026-10-19T18:41:55.891Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111853","references":[{"url":"https://www.tek.com/en/products/oscilloscopes/3-series-mdo"},{"url":"https://download.tek.com/document/TEK-PSA-002-092026.pdf"}],"tags":["cve.org"],"epss":0.01034,"epssPercentile":0.63958,"ingestedAt":"2026-10-17T02:57:58.445Z","slug":"CVE-2026-111853","body":"## Overview\n\nAn issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. An OS command injection vulnerability exists in the FILESystem:MOUNT:DRIve SCPI command handler. Insufficient neutralization of user-supplied input allows remote attackers to execute arbitrary operating system commands with elevated privileges.\n\n## Affected\n\n- `3_series_mdo < 1.21.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}