VDB-326420 · CVE-2025-6034 · EUVD-2025-31745

NI Circuit Design Suite up to 14.3.1 SymbolEditor DefaultFontOptions out-of-bounds

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7.0	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in NI Circuit Design Suite up to 14.3.1. The affected element is the function DefaultFontOptions of the component SymbolEditor. Such manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2025-6034. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in NI Circuit Design Suite up to 14.3.1. It has been rated as critical. Affected by this issue is the function DefaultFontOptions of the component SymbolEditor. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published by Michael Heinzl. The advisory is shared for download at ni.com. This vulnerability is handled as CVE-2025-6034 since 06/12/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-31745). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Circuit Design Suite

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/12/2025 CVE reserved
09/30/2025 +110 days Advisory disclosed
09/30/2025 +0 days VulDB entry created
09/30/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: ni.com
Researcher: Michael Heinzl
Status: Confirmed

CVE: CVE-2025-6034 (🔒)
GCVE (CVE): GCVE-0-2025-6034
GCVE (VulDB): GCVE-100-326420
EUVD: 🔒

Entryinfo

Created: 09/30/2025 18:27
Updated: 09/30/2025 19:21
Changes: 09/30/2025 18:27 (75), 09/30/2025 19:21 (1)
Complete: 🔍
Cache ID: 216::103