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CVE-2026-111853

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）中发现了一个问题：FILESystem:MOUNT:DRIve SCPI 命令处理器中存在操作系统命令注入漏洞。由于对用户提供的输入缺乏充分的净化处理，远程攻击者可借此以高权限执行任意操作系统命令。

CVSS 8.8 · High
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I. Basic Information for CVE-2026-111853

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. 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.
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:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
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-2026-111853

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III. Intelligence Information for CVE-2026-111853

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Vendor Pages for CVE-2026-111853 (1)

Other References for CVE-2026-111853 (1)

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

CVE-2026-111854 8.1 HIGH Tektronix 3 系列 MDO 1.21.1 前路径遍历漏洞
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-78

V. Comments for CVE-2026-111853

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