CVE-2026-43837
Deferred Deferred - Pending Action

Buffer Overflow in Password Verification Leading to Code Execution

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: CSA

Description
A buffer overflow vulnerability in the password verification functionality could allow an attacker with guest authentication to achieve code execution.

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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-2026-43837
EUVD
EUVD-2026-104835

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-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

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Executive Summary

This is a buffer overflow vulnerability in the password verification functionality. It allows an attacker with guest authentication to execute arbitrary code on the affected system.

Impact Analysis

An attacker could exploit this to gain control over the system, steal data, or disrupt operations. Guest authentication access is required, which may limit exposure but still poses a significant risk.

Compliance Impact

The vulnerability allows code execution via buffer overflow in password verification with guest authentication. This could lead to unauthorized access, data breaches, or system compromise, which may violate compliance requirements under GDPR (data protection) and HIPAA (health data security).

Mitigation Strategies

Apply vendor patches or updates for the affected Advantech ADAM-3600 device immediately. Disable guest authentication if not required and restrict access to the password verification functionality.

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