OS Command Injection Vulnerability in Tektronix 3 Series MDO Devices
CVE-2026-111853

8.8HIGH

Key Information:

Vendor

Tektronix

Status
3 Series Mdo
Vendor
CVE Published:
17 October 2026

What is CVE-2026-111853?

An OS command injection flaw has been identified in the SCPI command handler of Tektronix 3 Series MDO devices prior to version 1.21.1. This vulnerability arises from insufficient validation of user-supplied input, allowing remote attackers to execute arbitrary operating system commands with elevated privileges. This could lead to unauthorized control over the device, potentially compromising sensitive data and system integrity. Users are advised to update their devices to the latest software version to mitigate this risk.

Affected Version(s)

3 Series MDO 0 < 1.21.1

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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