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TI-2018-15451 Aliases CVE-2018-25226GHSA-mv2c-2q2x-3x5v

FTPShell Server 6.83 Denial of Service via Account Name

Priority MEDIUM 64CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00225 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FtpshellFTPShell Server6.83—No fix listedCNA
  • FTPShell Server VendorFtpshell Affected 6.83 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ftpshell:ftpshell_server:6.83:*:*:*:*:*:*:*6.83VulnerableFtpshell
  • cpe:2.3:a:ftpshell:ftpshell_server:6.83:*:*:*:*:*:*:* Versions 6.83 Vulnerable ·Ftpshell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-25226
  2. 2026-10-03 Alias added: GHSA-mv2c-2q2x-3x5v

References

Exploit 1

Other 2

  • TI-2019-15672 FTP Shell Server 6.83 Buffer Overflow via Account Name CVSS 4.0HIGH 8.6
  • TI-2009-00329 Stack-based buffer overflow in FTPShell Server 4.3 allows user-assisted remote attackers… CVSS 2.0HIGH 9.3
  • TI-2020-13306 A buffer overflow vulnerability in the Virtual Path Mapping component of FTPShell v6.83… CVSS 3.1HIGH 7.5
  • TI-2005-02296 FTPshell Server 3.38 allows remote authenticated users to cause a denial of service… CVSS 2.0LOW 2.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences