CVE-2026-111855: 3 Series MDO 0 to before 1.21.1

CVE-2026-111855. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA).

Affected technology

3 Series MDO · 0 to before 1.21.1
Tektronix

Description’s affected range: before 1.21.1

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Remote attackers can read arbitrary files accessible to the application. Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality impact as high; integrity and availability impact as none.

Published 17-Oct-2026 02:48 UTC

CWE: CWE-22
CCR priority: 30.0 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-17 02:48:37.999478+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-111855.html