What is the severity of CVE-2025-30421?

CVE-2025-30421 is considered a critical severity vulnerability due to its potential for information disclosure and arbitrary code execution.

How do I fix CVE-2025-30421?

To fix CVE-2025-30421, update your NI Circuit Design Suite to version 14.3.0 or later.

What software is affected by CVE-2025-30421?

CVE-2025-30421 affects the NI Circuit Design Suite up to version 14.3.0.

What type of vulnerability is CVE-2025-30421?

CVE-2025-30421 is a memory corruption vulnerability resulting from a stack-based buffer overflow.

What could happen if CVE-2025-30421 is exploited?

Exploitation of CVE-2025-30421 could lead to information disclosure or the execution of arbitrary code.

Vulnerability/
CVE-2025-30421

high

8.5

CWE

121 119

15/5/2025

16/5/2025

CVE-2025-30421: Stack-based Buffer Overflow in DrObjectStorage::XML_Serialize() in NI Circuit Design Suite

First published: Thu May 15 2025(Updated: )

There is a memory corruption vulnerability due to a stack-based buffer overflow in DrObjectStorage::XML_Serialize() when using the SymbolEditor in NI Circuit Design Suite. This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted .sym file. This vulnerability affects NI Circuit Design Suite 14.3.0 and prior versions.

Credit: security@ni.com

Affected Software	Affected Version	How to fix
NI Circuit Design Suite	<14.3.0

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Reference Links

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/memory-corruption-vulnerabilities-in-ni-circuit-design-suite.html

Frequently Asked Questions

What is the severity of CVE-2025-30421?
CVE-2025-30421 is considered a critical severity vulnerability due to its potential for information disclosure and arbitrary code execution.
How do I fix CVE-2025-30421?
To fix CVE-2025-30421, update your NI Circuit Design Suite to version 14.3.0 or later.
What software is affected by CVE-2025-30421?
CVE-2025-30421 affects the NI Circuit Design Suite up to version 14.3.0.
What type of vulnerability is CVE-2025-30421?
CVE-2025-30421 is a memory corruption vulnerability resulting from a stack-based buffer overflow.
What could happen if CVE-2025-30421 is exploited?
Exploitation of CVE-2025-30421 could lead to information disclosure or the execution of arbitrary code.

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