CVE-2025-30419

7.8 HIGH

📋 TL;DR

A memory corruption vulnerability in NI Circuit Design Suite's SymbolEditor allows attackers to execute arbitrary code or disclose sensitive information by tricking users into opening malicious .sym files. This affects all users of NI Circuit Design Suite 14.3.0 and earlier versions who open untrusted symbol files.

💻 Affected Systems

Products:
  • NI Circuit Design Suite
Versions: 14.3.0 and prior versions
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability is triggered when opening .sym files in SymbolEditor component.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with attacker gaining the same privileges as the user running the software, potentially leading to data theft, ransomware deployment, or lateral movement.

🟠

Likely Case

Information disclosure through memory reads or application crashes, with potential for limited code execution depending on exploit sophistication.

🟢

If Mitigated

Application crash without code execution if exploit fails or memory protections are effective.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user interaction to open malicious file. No public exploits known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: NI Circuit Design Suite 14.3.1 or later

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

Restart Required: Yes

Instructions:

1. Download latest version from NI website. 2. Run installer. 3. Restart system after installation completes.

🔧 Temporary Workarounds

Restrict .sym file handling

windows

Block or restrict opening of .sym files through application policies or file associations

Run with reduced privileges

windows

Run NI Circuit Design Suite with limited user privileges to reduce impact of successful exploitation

🧯 If You Can't Patch

  • Implement application whitelisting to prevent execution of unauthorized code
  • Use network segmentation to isolate systems running vulnerable software

🔍 How to Verify

Check if Vulnerable:

Check NI Circuit Design Suite version in Help > About menu

Check Version:

Not applicable - check via application GUI

Verify Fix Applied:

Verify version is 14.3.1 or later in Help > About menu

📡 Detection & Monitoring

Log Indicators:

  • Application crashes from NI Circuit Design Suite
  • Unexpected .sym file access attempts

Network Indicators:

  • Downloads of .sym files from untrusted sources

SIEM Query:

source="NI Circuit Design Suite" AND (event_type="crash" OR file_extension=".sym")

🔗 References

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