CVE-2018-25226CWE-787

FTPShell Server 6.83 Denial of Service via Account Name

Medium · published March 30, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
12.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00221 · 12.0th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-03-30T11:02Z
EPSS history
Timeline
  • 30 MAR 11:02Z
    FTPShell Server 6.83 Denial of Service via Account Name
    cvelistv5