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.
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Fixes

Solution

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Workaround

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History

Mon, 30 Mar 2026 11:15:00 +0000

Type Values Removed Values Added
Description 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.
Title FTPShell Server 6.83 Denial of Service via Account Name
First Time appeared Ftpshell
Ftpshell ftpshell Server
Weaknesses CWE-787
CPEs cpe:2.3:a:ftpshell:ftpshell_server:2002:*:*:*:*:*:*:*
cpe:2.3:a:ftpshell:ftpshell_server:6.83:*:*:*:*:*:*:*
Vendors & Products Ftpshell
Ftpshell ftpshell Server
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-30T16:00:21.098Z

Reserved: 2026-03-30T10:53:37.330Z

Link: CVE-2018-25226

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-30T12:16:15.077

Modified: 2026-03-30T13:26:07.647

Link: CVE-2018-25226

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses