CVE-2019-25321CWE-121

FTP Navigator 8.03 - Stack Overflow (SEH)

High · published February 12, 2026

CVSS v4.0
8.4
EPSS
1%
Percentile
55.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.4 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00776 · 55.3th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-02-12T22:48Z
EPSS history
Timeline
  • 12 FEB 22:48Z
    FTP Navigator 8.03 - Stack Overflow (SEH)
    cvelistv5