CVE-2026-43844
Deferred Deferred - Pending Action

Authentication Bypass in Proprietary Protocol

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: CSA

Description
A vulnerability in the proprietary protocol could allow an attacker to bypass the authentication mechanism.

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Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-11-09
AI Q&A
2026-10-20
EPSS Evaluated
2026-11-08
NVD
CVE-2026-43844
EUVD
EUVD-2026-104845

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Advantech ADAM-3600 prior to version 2.8.5.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-287 When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

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Executive Summary

This vulnerability is in a proprietary protocol and allows an attacker to bypass authentication. This means unauthorized access to systems or data may be possible without valid credentials.

Impact Analysis

An attacker could exploit this to gain unauthorized access to systems using the vulnerable protocol. This may lead to data breaches, system compromise, or further network infiltration depending on the affected system.

Compliance Impact

This vulnerability could lead to unauthorized access, violating confidentiality requirements in GDPR and HIPAA. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Implement strict network segmentation to isolate systems using the proprietary protocol. Disable unnecessary services and ports associated with the protocol. Apply vendor patches or updates if available. Monitor network traffic for unusual authentication bypass attempts.

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