CVE-2019-25329

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

CVSS 6.7 MEDIUMEPSS 0.4%CWE-121

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Internet-Soft · FTP Navigator

References

https://www.exploit-db.com/exploits/47794 https://www.vulncheck.com/advisories/ftp-navigator-custom-command-denial-of-service-seh http://www.internet-soft.com/