CVE-2019-25321
Critical · 9.8CVSS
9.8
EPSS
0.8%
Published
Feb 12, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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