Out-of-bounds Read in Ni Circuit Design Suite

CVE-2025-6034

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-6034: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-6034?
CVE-2025-6034 is a high-severity vulnerability in Ni Circuit Design Suite, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2025-09-30.
How severe is CVE-2025-6034?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2025-6034 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.