Vulnerability · Published Sep 30, 2025 · Assigned by NI

CVE-2025-6034Out of Bounds Read in DefaultFontOptions() in NI Circuit Design Suite

High 7.8

In plain English

A high-severity out-of-bounds read in Circuit Design Suite from NI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.2%top 92.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
NI	Circuit Design Suite	0 – through 14.3.1

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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