Buffer overflow in Coreftp Core FTP
CVE-2019-25654
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Coreftp Core FTP — versions 1.2
- Coreftp Core Ftp/sftp Server — versions v2-Build 673
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46371 (Exploit, VDB Entry, exploit)
- www.coreftp.com/ (Product, product)
- www.coreftp.com/server/download/archive/CoreFTPServer589.42.exe (Product, product)
- www.vulncheck.com/advisories/core-ftp-sftp-server-denial-of-service-via-buffer-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2019-25654?
- CVE-2019-25654 is a high-severity vulnerability in Coreftp Core FTP, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2026-03-30.
- How severe is CVE-2019-25654?
- High severity. CVSS v3 base score is 7.5 out of 10.