CVE-2018-25226

MEDIUM 6.2

FTPShell Server 6.83 Denial of Service via Account Name

CVSS Score

6.2

EPSS Score

0.0%

EPSS Percentile

2th

FTPShell Server 6.83 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the account name field. Attackers can trigger a denial of service by pasting a 417-byte payload into the 'Account name to ban' parameter within the Manage FTP Accounts interface.

CWE	CWE-787
Vendor	ftpshell
Product	ftpshell server
Published	Mar 30, 2026
Last Updated	Mar 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Ftpshell / FTPShell Server

6.83

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/46430 ftpshell.com: http://www.ftpshell.com/index.htm ftpshell.com: http://www.ftpshell.com/downloadserver.htm vulncheck.com: https://www.vulncheck.com/advisories/ftpshell-server-denial-of-service-via-account-name

Credits

Victor Mondragón