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.
History

Mon, 19 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Tektronix
Tektronix 3 Series Mdo
Vendors & Products Tektronix
Tektronix 3 Series Mdo

Sat, 17 Oct 2026 04:00:00 +0000

Type Values Removed Values Added
Title Web Management Interface Path Traversal Exploitable Without Authentication on Tektronix 3 Series MDO

Sat, 17 Oct 2026 02:15:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-17T02:09:21.352Z

Updated: 2026-10-21T21:34:00.446Z

Reserved: 2026-10-17T01:06:42.131Z

Link: CVE-2026-111855

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-17T02:17:18.877

Modified: 2026-10-21T22:16:47.480

Link: CVE-2026-111855

cve-icon Redhat

No data.