CVE-2025-13670 High Level Synthesis Compiler Security Advisory
A DLL planting vulnerability in the Altera High Level Synthesis Compiler allows attackers to execute arbitrary code on Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-13670?
CVE-2025-13670 is a medium-severity vulnerability in Altera High Level Synthesis Compiler, published on 12 Dec 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
The High Level Synthesis Compiler i++ command for Windows is vulnerable to a DLL planting vulnerability
Weakness: CWE-427
Which versions are affected by CVE-2025-13670?
It affects 1 product.
Products include Intel High Level Synthesis Compiler.
How do I fix CVE-2025-13670?
No fix has been published for CVE-2025-13670 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-13670 being exploited?
There is no known exploitation of CVE-2025-13670 in the wild and no public exploit code.
Other vulnerabilities in Altera High Level Synthesis Compiler
Sources
Also known as GHSA-p268-fqx2-j4vp.