CVE-2018-25252 FTP Voyager 16.2.0 Denial of Service via Malformed Site Profile
Local attackers can crash the FTP Voyager application by injecting oversized data into the site profile IP field, causing a buffer overflow.
- 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-2018-25252?
CVE-2018-25252 is a medium-severity memory corruption vulnerability in Serv-U FTP Voyager, published on 4 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
FTP Voyager 16.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by injecting oversized buffer data into the site profile IP field. Attackers can create a malicious site profile containing 500 bytes of repeated characters and paste it into the IP field to trigger a buffer overflow that crashes the FTP Voyager process.
Weakness: CWE-787
Which versions are affected by CVE-2018-25252?
It affects 1 product.
Products include Solarwinds Ftp Voyager.
How do I fix CVE-2018-25252?
No fix has been published for CVE-2018-25252 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-2018-25252 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25252 exists.
Other vulnerabilities in Serv-U FTP Voyager
Sources
Also known as GHSA-c4gp-r49v-4mx4.