CVE-2019-25321 FTP Navigator 8.03 - Stack Overflow (SEH)
Attackers can execute arbitrary code by triggering a stack overflow via a malicious payload in the Custom Command textbox of FTP Navigator.
- 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-2019-25321?
CVE-2019-25321 is a high-severity memory corruption vulnerability in Softpedia 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 stack overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) registers. Attackers can craft a malicious payload that triggers a buffer overflow when pasted into the Custom Command textbox, enabling remote code execution and launching the calculator as proof of concept.
Weakness: CWE-121
Which versions are affected by CVE-2019-25321?
It affects 1 product.
Products include Internet-Soft Ftp Navigator.
How do I fix CVE-2019-25321?
No fix has been published for CVE-2019-25321 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-2019-25321 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25321 exists.
Other vulnerabilities in Softpedia FTP Navigator
Sources
Also known as GHSA-mg52-9q5r-pwrf.