CVE-2026-43841
Deferred Deferred - Pending Action

NULL Pointer Dereference in License Manager Service

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: CSA

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

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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-2026-43841
EUVD
EUVD-2026-104842

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-476 The product dereferences a pointer that it expects to be valid but is NULL.

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Executive Summary

This is a NULL pointer dereference vulnerability in the license manager service. It allows an unauthenticated attacker to crash the service by exploiting the rpc_rx_fsm function.

Detection Guidance

Detection of this NULL pointer dereference vulnerability in the license manager service may require monitoring for service crashes or unusual behavior in the rpc_rx_fsm function. Check system logs for service termination events or error messages related to the license manager. Use network monitoring tools to detect unexpected RPC traffic patterns.

Impact Analysis

The vulnerability could cause the license manager service to crash, leading to service disruption or denial of service for systems relying on it.

Compliance Impact

The vulnerability is a NULL pointer dereference in a license manager service that could crash the service via rpc_rx_fsm. This may lead to service disruption but does not directly impact data confidentiality or integrity. Compliance impact depends on system criticality and redundancy measures rather than direct data exposure.

Mitigation Strategies

Apply vendor patches or updates for the license manager service. Monitor service logs for crashes in rpc_rx_fsm. Restrict network access to the service if possible.

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