Overview
The Common Vulnerabilities and Exposures (CVE) system has recently identified a significant cybersecurity flaw labeled as CVE-2025-30417. This flaw, discovered in the National Instruments (NI) Circuit Design Suite, specifically affects the Library!DecodeBase64() function within the SymbolEditor. The vulnerability is concerning due to its potential to lead to memory corruption, which may ultimately result in unauthorized information disclosure or arbitrary code execution. Users of the NI Circuit Design Suite 14.3.0 and prior versions need to pay special attention to this vulnerability. The impact of this flaw is severe and could lead to system compromise or data leakage if not properly addressed.
Vulnerability Summary
CVE ID: CVE-2025-30417
Severity: High (7.8 CVSS score)
Attack Vector: Opening a specially crafted .sym file
Privileges Required: None
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
Share secrets securely
Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.
Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.
- • Encrypted identity
- • Private Spaces for organizations and teams
- • End-to-end encrypted chat, calls, files, and notes
- • Sensitive AI work and protected collaboration
- • Built for information that cannot leak
Our mission is to secure human work alongside AI.
Product | Affected Versions
NI Circuit Design Suite | 14.3.0 and prior versions
How the Exploit Works
The exploit takes advantage of a memory corruption vulnerability in the Library!DecodeBase64() function when using the SymbolEditor in NI Circuit Design Suite. The flaw occurs due to an out of bounds write operation. The attacker crafts a malicious .sym file, which, when opened by a user, triggers the vulnerability and executes the malicious code, potentially leading to information disclosure or arbitrary code execution.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited using a crafted .sym file. Note that this is a simplified representation and actual malicious files may be more complex.
# Malicious .sym file content
malicious_payload = """
BASE64_ENCODED_PAYLOAD {
exploit: "OUT_OF_BOUNDS_WRITE",
target_function: "Library!DecodeBase64()"
payload: "ARBITRARY_CODE"
}
"""
# Save the malicious payload in a .sym file
with open("exploit.sym", "w") as file:
file.write(malicious_payload)The ‘exploit.sym’ file is then sent to the target, who unknowingly opens it with the vulnerable application, thereby triggering the exploit.
Mitigation Guidance
Users are recommended to apply the vendor patch as soon as it becomes available in order to mitigate this vulnerability. As a temporary solution, users can employ Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) to block or alert on any suspicious activities. Furthermore, users should exercise caution when opening .sym files from untrusted sources to avoid falling victim to potential attacks.