---
id: CVE-2026-73171
title: >-
  Nozomi Networks Labs identified a CWE-73: External Control of File Name or
  Path vulnerability in the backup-restore workflow of Advantech EKI-1242EIMS in
  firmware version V1.06.01 that allows a remote authenticated attacker to
  overwrite …
summary: >-
  Nozomi Networks Labs identified a CWE-73: External Control of File Name or
  Path vulnerability in the backup-restore workflow of Advantech EKI-1242EIMS in
  firmware version V1.06.01 that allows a remote authenticated attacker to
  overwrite …
severity: high
cvss: 8.6
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-73
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-2026-73171'
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-2026-73171
    label: prodsec@nozominetworks.com
tags:
  - nvd
  - cve.org
epss: 0.00518
epssPercentile: 0.41529
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-17T18:52:47.002580Z'
cvssSource: cna
ingestedAt: '2026-09-16T13:56:12.610Z'
---

## Overview

Nozomi Networks Labs identified a CWE-73: External Control of File Name or Path vulnerability in the backup-restore workflow of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote authenticated attacker to overwrite arbitrary files on the device filesystem by uploading a crafted backup archive through the web management interface.

## Remediation

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