CVE-2019-25321

This exploit leverages a stack overflow vulnerability in FTP Navigator 8.03 via a custom command input, using SEH overwrite and a NOP sled to execute shellcode that launches calc.exe. The payload is crafted with an alpha_upper encoder to avoid null bytes.

This exploit triggers a Denial of Service (DoS) in FTP Navigator 8.03 by overwriting the Structured Exception Handler (SEH) via a custom command input. The payload consists of a large buffer of 'A's followed by 'B's and 'C's to corrupt memory and crash the application.