CVE-2018-25230: Free IP Switcher 3.1 contains a buffer overflow vulnerability that allows local attackers to crash the applica

Q: How do I fix CVE-2018-25230?

free ip switcher: upgrade to newer than 3.1. Exact commands for each OS are on this page.

Q: Is CVE-2018-25230 being exploited?

CVE-2018-25230 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-25230 affect?

CVE-2018-25230 affects free ip switcher. Severity is medium (CVSS 5.5). 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

Q: How urgent is CVE-2018-25230?

Priority 30/100. Public exploit reference

Routine

MEDIUM 5.5UPGRADE

CVE-2018-25230 is a medium-severity flaw (CVSS 5.5) affecting free ip switcher. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-03-30
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: eusing

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-30 12:16 UTCPublished CVE record published
2026-06-17 01:55 UTCUpdated Record last modified

eusing free ip switcher UPGRADE

Affected: <= 3.1

Fixed in: newer than 3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy free-ip-switcher || rpm -q free-ip-switcher || free-ip-switcher --version

2. UPGRADE to newer than 3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade free-ip-switcher

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade free-ip-switcher

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-25230?

free ip switcher: upgrade to newer than 3.1. Exact commands for each OS are on this page.

Is CVE-2018-25230 being exploited?

CVE-2018-25230 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-25230 affect?

CVE-2018-25230 affects free ip switcher. Severity is medium (CVSS 5.5). 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

How urgent is CVE-2018-25230?

Priority 30/100. Public exploit reference

References

← Back to latest CVEs