Buffer overflow in Serv-U Ftp Voyager
CVE-2018-25252
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.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (22.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Serv-u Ftp Voyager — versions 16.2.0
- Solarwinds Ftp_voyager
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2018-25252?
- CVE-2018-25252 is a medium-severity vulnerability in Serv-U Ftp Voyager, classified under Out-of-bounds Write. CVSS score: 6.2/10. Published 2026-04-04.
- How severe is CVE-2018-25252?
- Medium severity. CVSS v3 base score is 6.2 out of 10.