CVE-2019-25329 FTP Navigator 8.03 - 'Custom Command' Denial of Service (SEH)
Attackers can crash FTP Navigator by sending a crafted payload to the custom command input, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-25329?
CVE-2019-25329 is a medium-severity memory corruption vulnerability in Internet-Soft FTP Navigator, published on 12 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
FTP Navigator 8.03 contains a denial of service vulnerability that allows attackers to crash the application by overwriting Structured Exception Handler (SEH) with malicious input. Attackers can generate a payload of 4108 'A' characters followed by 4 'B' characters and 40 'C' characters to trigger a program crash when pasted into the custom command input.
Weakness: CWE-121
Which versions are affected by CVE-2019-25329?
It affects 1 product.
Products include Internet-Soft Ftp Navigator.
How do I fix CVE-2019-25329?
No fix has been published for CVE-2019-25329 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-25329 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25329 exists.
Other vulnerabilities in Internet-Soft FTP Navigator
Sources
Also known as GHSA-6qxf-3mq6-3g8x.