6.9

CVE-2019-25683: FileZilla 3.40.0 Denial of Service via Local Search

Analyzed
AliasesUBUNTU-CVE-2019-25683
Published 05-04-2026Last modified 06-04-2026

Vulnerability summary

CVE-2019-25683 is a medium (CVSS 6.9) vulnerability in filezilla-project filezilla. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 6.9, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.18%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1exploit-database

Timeline

  1. 05-04-2026
    PublishedVulnerability first disclosed.
  2. 06-04-2026
    Last modifiedVulnerability information updated.

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 metrics

6 scores · 3 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • exploit-databasedoslinuxUnverified

    FileZilla 3.40.0 - 'Local search' / 'Local site' Denial of Service (PoC)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Filezilla-project2 products
Ubuntu1 product
  • filezillaAll versions (No fix recorded)

2 vendors · 3 products

References

5 links