CVE-2019-25654CWE-787

Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow

High · published March 30, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
52.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
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
EPSS
0.00691 · 52.3th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-03-30T11:02Z
EPSS history
Timeline
  • 30 MAR 11:02Z
    Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow
    cvelistv5