CVE-2018-25234 SmartFTP Client 9.0.2615.0 Denial of Service via Host Field
Local attackers can crash SmartFTP Client by pasting an excessively long string into the Host field, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-25234?
CVE-2018-25234 is a medium-severity denial of service vulnerability in SmartFTP Client, published on 30 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
SmartFTP Client 9.0.2615.0 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Host field. Attackers can paste a buffer of 300 repeated characters into the Host connection parameter to trigger an application crash.
Weakness: CWE-466
Which versions are affected by CVE-2018-25234?
It affects 1 product.
Products include Smartftp Smartftp.
How do I fix CVE-2018-25234?
No fix has been published for CVE-2018-25234 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-25234 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25234 exists.
Other vulnerabilities in SmartFTP Client
Sources
Also known as GHSA-qc7g-9546-gc47.