CVE-2026-111854 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. A path traversal vulnerability in the SCPI FILESystem command interface allows remote attackers to read or modify arbitrary files on the device through insufficient validation of file paths supplied to filesystem access commands.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 8.1

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

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-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE