CVE-2026-73177

Insufficient Firmware Image Verification Enables Arbitrary Firmware Installation on Advantech EKI-1242EIMS

Published Sep 16, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
Nozomi Networks Labs identified a CWE-345: Insufficient Verification of Data Authenticity vulnerability in the firmware upgrade mechanism of the Advantech EKI-1242EIMS in firmware version V1.06.01. The device accepts firmware images through the authenticated web management interface without performing any cryptographic signature or certificate verification. An authenticated administrator-level attacker can install arbitrary modified firmware on the device, enabling full persistent compromise of the platform.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Insufficient Firmware Image Verification Enables Arbitrary Firmware Installation on Advantech EKI-1242EIMS
Type Values Removed Values Added
First Time appeared Advantech
Advantech eki-1242eims
Advantech eki-1242ieims
Vendors & Products Advantech
Advantech eki-1242eims
Advantech eki-1242ieims
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Nozomi Networks Labs identified a CWE-345: Insufficient Verification of Data Authenticity vulnerability in the firmware upgrade mechanism of the Advantech EKI-1242EIMS in firmware version V1.06.01. The device accepts firmware images through the authenticated web management interface without performing any cryptographic signature or certificate verification. An authenticated administrator-level attacker can install arbitrary modified firmware on the device, enabling full persistent compromise of the platform.
Weaknesses CWE-345
References
Metrics cvssV4_0

{'score': 8.6, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Nozomi
Published
Updated
Sep 17, 2026, 6:59 PM
Reserved
Aug 11, 2026, 9:36 AM
Status
Awaiting Analysis
Published
Sep 16, 2026, 2:17 PM
Modified
Sep 17, 2026, 7:16 PM