CVE-2025-30421 Stack-based Buffer Overflow in DrObjectStorage::XML_Serialize() in NI Circuit Design Suite
A stack-based buffer overflow in NI Circuit Design Suite allows arbitrary code execution or information disclosure when a user opens a malicious .sym file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-30421?
CVE-2025-30421 is a high-severity memory corruption vulnerability in NI Circuit Design Suite, published on 15 May 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2025-30421?
It affects 1 product.
Products include Ni Circuit Design Suite.
How do I fix CVE-2025-30421?
No fix has been published for CVE-2025-30421 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-30421 being exploited?
There is no known exploitation of CVE-2025-30421 in the wild and no public exploit code.
Other vulnerabilities in NI Circuit Design Suite
- CVE-2025-6033 Memory Corruption issue in XML_Serialize() in NI Circuit Design Suite
- CVE-2025-6034 Out of Bounds Read in DefaultFontOptions() in NI Circuit Design Suite
- CVE-2025-30417 Out of Bounds Write in Library!DecodeBase64() in NI Circuit Design Suite
- CVE-2025-30418 Out of Bounds Write in CheckPins() in NI Circuit Design Suite
- CVE-2025-30419 Out of Bounds Read in GetSymbolBorderRectSize() in NI Circuit Design Suite
Sources
Also known as GHSA-5ppx-9rrh-j4wr.