CVE-2026-111853 PUBLISHED

Assigner: mitre
Reserved: 17.10.2026 Published: 17.10.2026 Updated: 17.10.2026

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 attackers to execute arbitrary operating system commands with elevated privileges.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Tektronix
Product	3 Series MDO
Versions	Default: unaffected affected from 0 to 1.21.1 (excl.)

References

https://www.tek.com/en/products/oscilloscopes/3-series-mdo
https://download.tek.com/document/TEK-PSA-002-092026.pdf

Problem Types

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE