CVE-2019-25654

HIGH EPSS 48.2%
Published Mar 30, 20263mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
High
Find Similar
Published Mar 30, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
48.2% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
coreftpcore_ftp1.2any

References 4

  • coreftp.com http://www.coreftp.com/
    Product
  • coreftp.com http://www.coreftp.com/server/download/archive/CoreFTPServer589.42.exe
    Product
  • exploit-db.com https://www.exploit-db.com/exploits/46371
    ExploitVDB Entry
  • vulncheck.com https://www.vulncheck.com/advisories/core-ftp-sftp-server-denial-of-service-via-buffer-overflow
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.