CVE-2019-25329CWE-121

FTP Navigator 8.03 - 'Custom Command' Denial of Service (SEH)

Medium · published February 12, 2026

CVSS v4.0
6.7
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.7 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00498 · 41.8th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-02-12T22:48Z
EPSS history
Timeline
  • 12 FEB 22:48Z
    FTP Navigator 8.03 - 'Custom Command' Denial of Service (SEH)
    cvelistv5