Nozomi Networks Labs identified a CWE-306: Missing Authentication for Critical Function vulnerability in the edgserver management protocol of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote unauthenticated attacker to invoke critical device-management functions, including network reconfiguration, reboot, reset, and firmware upgrade, by sending crafted requests to TCP port 5058.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0071.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Advantech EKI-1242IEIMS unaffected
Version Status Constraints
0 affected ≤ 1.06.01
Advantech EKI-1242EIMS unaffected
Version Status Constraints
0 affected ≤ 1.06.01

No data.

No data.

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Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf cve-icon cve-icon
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73173 cve-icon cve-icon
History

Fri, 18 Sep 2026 03:45:00 +0000

Type Values Removed Values Added
Title Unauthenticated Management Control in Advantech EKI-1242 Firmware via TCP 5058

Thu, 17 Sep 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Advantech
Advantech eki-1242eims
Advantech eki-1242ieims
Vendors & Products Advantech
Advantech eki-1242eims
Advantech eki-1242ieims

Thu, 17 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 16 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description Nozomi Networks Labs identified a CWE-306: Missing Authentication for Critical Function vulnerability in the edgserver management protocol of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote unauthenticated attacker to invoke critical device-management functions, including network reconfiguration, reboot, reset, and firmware upgrade, by sending crafted requests to TCP port 5058.
Weaknesses CWE-306
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Nozomi

Published:

Updated: 2026-09-17T18:56:14.113Z

Reserved: 2026-08-11T09:36:40.350Z

Link: CVE-2026-73173

cve-icon Vulnrichment

Updated: 2026-09-17T18:56:10.327Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-16T13:18:05.733

Modified: 2026-09-23T11:10:00.187

Link: CVE-2026-73173

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T03:30:02Z

Weaknesses