CVE-2025-6034 - CVE House

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Status published High CVE-2025-6034

Out of Bounds Read in DefaultFontOptions() in NI Circuit Design Suite

8.5 CVSS

Vulnerability Description

There is a memory corruption vulnerability due to an out of bounds read in DefaultFontOptions() when using 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 14.3.1 and prior versions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Michael Heinzl working with CISA

References

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

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Affected Vendor

NI

View all reports →

Affected Software

Circuit Design Suite

Vulnerable Versions:

0

Timeline

Official Publish: September 30th, 2025

Last Modified: February 26th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1213 Data from Information Repositories

T1003 OS Credential Dumping

Credential Access

T1552 Unsecured Credentials

Credential Access