{"id":"CVE-2026-111855","aliases":["EUVD-2026-103208","GHSA-grh2-338g-6c79"],"status":"published","title":"An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. A path traversal...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00608,"percentile":0.49627,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-10-17T02:09:21Z","modified":"2026-10-21T22:16:47Z","products":[{"vendor":"tektronix","product":"3 series mdo"}],"references":[{"url":"https://www.tek.com/en/products/oscilloscopes/3-series-mdo"},{"url":"https://download.tek.com/document/TEK-PSA-002-092026.pdf"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111855"},{"url":"https://github.com/advisories/GHSA-grh2-338g-6c79"}],"sources":{"cve":[{"id":"CVE-2026-111855","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.","status":"published","published":"2026-10-17T02:09:21.352Z","modified":"2026-10-21T21:34:00.446Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:20:15.34316Z"}],"euvd":[{"id":"EUVD-2026-103208","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.","status":"published","published":"2026-10-17T02:09:21Z","modified":"2026-10-21T21:34:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:59:35.88085Z"}],"ghsa":[{"id":"GHSA-grh2-338g-6c79","title":"An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. A path traversal...","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.","status":"published","published":"2026-10-17T03:30:20Z","modified":"2026-10-17T03:30:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:13:53.726362Z"}],"nvd":[{"id":"CVE-2026-111855","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.","status":"published","published":"2026-10-17T02:17:18.877Z","modified":"2026-10-21T22:16:47.48Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:13:00.123071Z"}]}}