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.
CVE ID: CVE-2025-30421
CVSS Base Severity: HIGH
CVSS Base Score: 7.8
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor: NI
Product: Circuit Design Suite
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 2.3% (scored less or equal to compared to others)
EPSS Date: 2025-06-13 (when was this score calculated)