Stack-Based Buffer Overflow in Logs Settings

Executive Summary

CVE-2026-43834 is a stack-based buffer overflow vulnerability in the logs settings functionality of Advantech's ADAM-3600 EdgeLink remote terminal unit. It allows an authenticated attacker to execute arbitrary code on the affected device.

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Detection Guidance

Detection of CVE-2026-43834 requires checking the version of Advantech ADAM-3600 EdgeLink software. The vulnerability affects versions prior to 2.8.5.0. Use the device's management interface or CLI to verify the installed version. If the version is below 2.8.5.0, the system is vulnerable.

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Impact Analysis

An attacker could exploit this vulnerability to gain control over the affected device, potentially leading to unauthorized access, data theft, or disruption of operations. The device may be compromised if running versions prior to 2.8.5.0.

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Compliance Impact

The provided CVE data does not specify direct impacts on compliance with GDPR, HIPAA, or other standards. However, the vulnerability's high severity (CVSS 7.5) and potential for arbitrary code execution could lead to unauthorized access, data breaches, or system compromise, which may violate compliance requirements for data protection and security.

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Mitigation Strategies

Update the ADAM-3600 EdgeLink to version 2.8.5.0 or later to address the stack-based buffer overflow vulnerability in the logs settings functionality.

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