Buffer Overflow Vulnerability in FTP Shell Server by FTP Shell
CVE-2019-25619

8.6HIGH

Key Information:

Vendor

Ftpshell

Status
Ftp Shell Server
Vendor
CVE Published:
22 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25619?

FTP Shell Server version 6.83 is vulnerable to a buffer overflow attack in the 'Account name to ban' field. This flaw enables local attackers to execute arbitrary code on the system by supplying a crafted string within the Manage FTP Accounts dialog. By manipulating the account name parameter, attackers can overwrite the return address of the application, leading to possible execution of arbitrary commands, including launching calc.exe. This vulnerability highlights the importance of secure input handling to prevent unauthorized access.

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Affected Version(s)

FTP Shell Server 6.83

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-25619 - Proof of Concept

References

https://www.exploit-db.com/exploits/46685
exploit
http://www.ftpshell.com/index.htm
product
https://www.vulncheck.com/advisories/ftp-shell-server-buf...
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dino Covotsos - Telspace Systems
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