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.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Internet-Soft FTP Navigator affected
Version Status Constraints
8.03 affected —

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Thu, 12 Feb 2026 23:15:00 +0000

Type Values Removed Values Added
Description 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.
Title FTP Navigator 8.03 - 'Custom Command' Denial of Service (SEH)
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.7, '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'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-12T22:48:39.656Z

Reserved: 2026-02-12T14:38:27.864Z

Link: CVE-2019-25329

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-12T23:16:05.163

Modified: 2026-02-12T23:16:05.163

Link: CVE-2019-25329

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses