High severity8.8NVD Advisory· Published Oct 17, 2026

CVE-2026-111853

Description

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Tektronix/3 Series MDOllm-create
Range: <1.21.1

Patches

Vulnerability mechanics

References

download.tek.com/document/TEK-PSA-002-092026.pdfnvd
www.tek.com/en/products/oscilloscopes/3-series-mdonvd

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