CVE-2018-25230 Free IP Switcher 3.1 Denial of Service via Computer Name

Medium 6.8 Published Updated

Local attackers can crash Free IP Switcher by inputting an excessively long string in the Computer Name field, causing a buffer overflow.

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-2018-25230?

CVE-2018-25230 is a medium-severity memory corruption vulnerability in Eusing Free IP Switcher, published on 30 Mar 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

Free IP Switcher 3.1 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Computer Name field. Attackers can paste a malicious payload into the Computer Name input field and click Activate to trigger a denial of service condition that crashes the application.

Weakness: CWE-787

Which versions are affected by CVE-2018-25230?

It affects 1 product.

Products include Eusing Free Ip Switcher.

How do I fix CVE-2018-25230?

No fix has been published for CVE-2018-25230 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-2018-25230 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25230 exists.

Sources

Also known as GHSA-4853-2382-frfw.

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