Stack Overflow Vulnerability in FTP Navigator by Internet Soft
CVE-2019-25321

8.4HIGH

Key Information:

Vendor

Softpedia

Status
Ftp Navigator
Vendor
CVE Published:
12 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25321?

FTP Navigator 8.03 has a vulnerability that allows the overflow of the stack memory, exposing the software to remote code execution threats. By exploiting a flaw in the Custom Command textbox, attackers can insert a malicious payload that overwrites Structured Exception Handler (SEH) registers. This action leads to the potential execution of arbitrary code, which can be demonstrated by launching a benign application, such as a calculator. It highlights the importance of monitoring software environments and swiftly applying patches to secure against such vulnerabilities.

Affected Version(s)

FTP Navigator 8.03

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-2019-25321 - Proof of Concept

CVE-2019-25321 - Proof of Concept

References

https://www.exploit-db.com/exploits/47812
exploit
http://www.internet-soft.com/
product
https://www.exploit-db.com/exploits/47794
exploit

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

boku
.