CVE-2018-25230

Free IP Switcher 3.1 Denial of Service via Computer Name

CVSS 6.8 MEDIUMEPSS 0.3%CWE-787

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS 6.8EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

30 Mar 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

Eusing · Free IP Switcher

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/46382unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://www.exploit-db.com/exploits/46382 https://www.vulncheck.com/advisories/free-ip-switcher-denial-of-service-via-computer-name http://www.eusing.com/index.html http://www.eusing.com/ipscan/free_ip_scanner.htm