---
id: CVE-2026-73169
title: >-
  Nozomi Networks Labs identified a CWE-79: Improper Neutralization of Input
  During Web Page Generation ('Cross-site Scripting') vulnerability in the
  Modbus transaction management interface of Advantech EKI-1242EIMS in firmware
  version V1.…
summary: >-
  Nozomi Networks Labs identified a CWE-79: Improper Neutralization of Input
  During Web Page Generation ('Cross-site Scripting') vulnerability in the
  Modbus transaction management interface of Advantech EKI-1242EIMS in firmware
  version V1.…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H'
cwe:
  - CWE-79
vendor: Advantech
product: EKI-1242IEIMS
affected:
  - EKI-1242IEIMS <= 1.06.01
  - EKI-1242EIMS <= 1.06.01
published: '2026-09-16'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T11:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73169'
references:
  - url: >-
      https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf
    label: prodsec@nozominetworks.com
  - url: >-
      https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73169
    label: prodsec@nozominetworks.com
tags:
  - nvd
  - cve.org
epss: 0.00537
epssPercentile: 0.42784
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-17T18:51:34.899608Z'
cvssSource: cna
ingestedAt: '2026-09-16T13:56:12.610Z'
---

## Overview

Nozomi Networks Labs identified a CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Modbus transaction management interface of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote authenticated attacker to store malicious script content that executes in the browser of any administrator who later opens an affected management page.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.