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CVE-2026-111854

Quick assessment

Affected
Tektronix 3 Series MDO
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Tektronix 3 系列 MDO 设备（版本早于 1.21.1）中发现了一个安全问题。该设备在 SCPI 文件系统命令接口中存在路径遍历漏洞，由于对文件系统访问命令中提供的文件路径未进行充分验证，远程攻击者可借此读取或修改设备上的任意文件。

CVSS 8.1 · High
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I. Basic Information for CVE-2026-111854

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tektronix 3 Series MDO 0 ~ 1.21.1 -

II. Public POCs for CVE-2026-111854

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III. Intelligence Information for CVE-2026-111854

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Vendor Pages for CVE-2026-111854 (1)

Other References for CVE-2026-111854 (1)

Same Patch Batch · Tektronix · 2026-10-17 · 3 CVEs total

CVE-2026-111853 8.8 HIGH Tektronix 3 Series MDO 1.21.1 前命令注入漏洞
CVE-2026-111855 7.5 HIGH Tektronix 3 Series MDO 1.21.1 之前版本路径遍历漏洞

IV. Related Vulnerabilities

Same product: 3 Series MDO
Same vendor: Tektronix
Same weakness: CWE-22

V. Comments for CVE-2026-111854

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