CVE-2019-25321
CRITICAL
2026-02-12
[email protected]
9.8
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
PoC Detected
Mar 03, 2026 - 14:48 vuln.today
Public exploit code
CVE Published
Feb 12, 2026 - 23:16 nvd
CRITICAL 9.8
Description
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.
Analysis
Stack overflow in FTP Navigator 8.03 via SEH overwrite. PoC available.
Technical Context
CWE-121 SEH overwrite in FTP client.
Affected Products
['FTP Navigator 8.03']
Remediation
Replace with maintained FTP client.
Priority Score
69
Low
Medium
High
Critical
KEV: 0
EPSS: +0.3
CVSS: +49
POC: +20
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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