Tektronix 3 Series MDO up to 1.21.0 SCPI FILESystem:MOUNT:DRIve SCPI command handler os command injection

Summaryinfo

A vulnerability labeled as very critical has been found in Tektronix 3 Series MDO up to 1.21.0. Impacted is the function FILESystem:MOUNT:DRIve SCPI command handler of the component SCPI. The manipulation results in os command injection. This vulnerability is identified as CVE-2026-111853. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Tektronix 3 Series MDO up to 1.21.0. Affected is the function FILESystem:MOUNT:DRIve SCPI command handler of the component SCPI. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at tek.com. This vulnerability is traded as CVE-2026-111853 since 10/17/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/17/2026). The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 1.21.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-103206). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Tektronix

Name

• 3 Series MDO

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21.0

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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