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CVE-2026-73177

HIGH
8.6
CVSS Score
Published: September 16, 2026 at 01:03 PM UTC
Updated: September 17, 2026 at 07:16 PM UTC
2 products affected across 1 vendorEKI-1242IEIMSEKI-1242EIMS

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Severity
HIGH8.6
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Third Party Advisory
Source: cverecord
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73177
Vendor Advisory
Source: cverecord
https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHNozomi
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-345

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