CVE-2025-7849: Memory Corruption Issue in NI LabVIEW due to improper error handling

Published Jul 29, 2025
·
Updated

A memory corruption vulnerability due to improper error handling when a VILinkObj is null exists in NI LabVIEW that may result in arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI. This vulnerability affects NI LabVIEW 2025 Q1 and prior versions.

Affected Software

25 affected components
NI LabVIEW<2025 Q1
NI LabVIEW<=2021
NI LabVIEW=2022-q1
NI LabVIEW=2022-q3
NI LabVIEW=2022-q3_patch1
NI LabVIEW=2022-q3_patch2
NI LabVIEW=2022-q3_patch4
NI LabVIEW=2022-q3_patch5
NI LabVIEW=2023-q1
NI LabVIEW=2023-q3
NI LabVIEW=2023-q3_patch1
NI LabVIEW=2023-q3_patch2
NI LabVIEW=2023-q3_patch3
NI LabVIEW=2023-q3_patch4
NI LabVIEW=2023-q3_patch5
NI LabVIEW=2023-q3_patch6
NI LabVIEW=2024-q1
NI LabVIEW=2024-q1_patch1
NI LabVIEW=2024-q3
NI LabVIEW=2024-q3_patch1
NI LabVIEW=2024-q3_patch2
NI LabVIEW=2024-q3_patch3
NI LabVIEW=2025-q1
NI LabVIEW=2025-q1_patch1
NI LabVIEW=2025-q1_patch2

Event History

Jul 29, 2025
CVE Published
via MITRE·09:27 PM
Data Sourced
via MITRE·09:27 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-7849?

CVE-2025-7849 is considered critical as it may lead to arbitrary code execution.

2

How do I fix CVE-2025-7849?

Fixing CVE-2025-7849 involves updating to a patched version of NI LabVIEW released after 2025 Q1.

3

What software is affected by CVE-2025-7849?

CVE-2025-7849 affects NI LabVIEW versions up to 2025 Q1.

4

What can an attacker achieve by exploiting CVE-2025-7849?

An attacker can execute arbitrary code on the system by getting a user to open a specially crafted VI.

5

What is the cause of CVE-2025-7849?

CVE-2025-7849 is caused by a memory corruption vulnerability due to improper error handling when a VILinkObj is null.

Contact

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