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CVE-2026-43840: Vulnerability in Advantech ADAM-3600

0
Medium
VulnerabilityCVE-2026-43840cvecve-2026-43840
Published: 10/20/2026 (10/20/2026, 08:28:32 UTC)
Source: CVE Database V5
Vendor/Project: Advantech
Product: ADAM-3600

Description

A NULL pointer dereference vulnerability in the license manager service could allow an unauthenticated attacker to crash the service via the on_disconnected callback function.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected software

Advantech

ADAM-3600

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/20/2026, 09:03:36 UTC

Technical Analysis

This vulnerability in Advantech ADAM-3600 arises from a NULL pointer dereference in the license manager service. An unauthenticated attacker can exploit this flaw by triggering the on_disconnected callback function, leading to a crash of the service. The CVSS 4.0 base score is 6.9, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and limited impact on availability.

Potential Impact

Exploitation of this vulnerability results in a denial-of-service condition by crashing the license manager service. There is no indication of code execution, data disclosure, or privilege escalation. The service crash could disrupt normal device operations dependent on the license manager.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Until a patch is available, consider monitoring the license manager service for crashes and implement network-level protections to limit exposure.

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Technical Details

Data Version
5.2
Assigner Short Name
CSA
Date Reserved
2026-05-04T03:13:39.244Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ad72af22cdf04f65614b201

Added to database: 10/20/2026, 08:48:50 UTC

Last enriched: 10/20/2026, 09:03:36 UTC

Last updated: 10/20/2026, 19:06:08 UTC

Views: 10

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