Medium severity · published Apr 4, 2026
CVE-2018-25252
FTP Voyager 16.2.0 Denial of Service via Malformed Site Profile
5.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FV
FTP Voyager · Serv-U
16.2.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-25252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-25252
Exploit
https://www.exploit-db.com/exploits/45527
Product
https://www.serv-u.com/
Product
https://www.serv-u.com/ftp-voyager
Third Party Advisory
https://www.vulncheck.com/advisories/ftp-voyager-denial-of-service-via-malformed-site-profile