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CVE-2019-25683

FileZilla 3.40.0 Denial of Service via Local Search

Published: Apr 5, 2026Updated: Apr 9, 2026 Sources: CVE List NVDCWE-532
NVD MITRE
6.2CVSSMEDIUM
EPSS Score
0.2%
Top 93.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

FileZilla 3.40.0 contains a denial of service vulnerability in the local search functionality that allows local attackers to crash the application by supplying a malformed path string. Attackers can trigger the crash by entering a crafted path containing 384 'A' characters followed by 'BBBB' and 'CCCC' sequences in the search directory field and initiating a local search operation.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-532

Affected Products

filezilla clientfilezilla-project
Mixed
Consumer Software / file-utility
FileZillaFilezilla-Project
Mixed
Consumer Software / file-utility
filezilla-projectoss-projectConsumer Softwareaka filezilla client, filezilla server, filezilla

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

https://filezilla-project.org
filezilla-project.org
https://www.exploit-db.com/exploits/46484
exploit-db.com
https://www.vulncheck.com/advisories/filezilla-denial-of-service-via-local-search
vulncheck.com

Timeline

Published
Apr 5, 2026
Last Updated
Apr 9, 2026

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