CVE-2019-25232 NetPCLinker 1.0.0.0 - Buffer Overflow
Attackers can execute arbitrary shellcode via a buffer overflow in the DNS/IP field when adding a new client in NetPCLinker.
- 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-2019-25232?
CVE-2019-25232 is a high-severity memory corruption vulnerability in NetPCLinker, published on 30 Jan 2026. 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
NetPCLinker 1.0.0.0 contains a buffer overflow vulnerability in the Clients Control Panel DNS/IP field that allows attackers to execute arbitrary shellcode. Attackers can craft a malicious payload in the DNS/IP input to overwrite SEH handlers and execute shellcode when adding a new client.
Weakness: CWE-120
Which versions are affected by CVE-2019-25232?
How do I fix CVE-2019-25232?
No fix has been published for CVE-2019-25232 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-2019-25232 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25232 exists.
Sources
Also known as GHSA-57xq-84f3-8vpw.