CVE-2019-25654
Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Mar 30, 2026
- Updated
- Oct 27, 2026
- Reserved
- Mar 30, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
Core FTP/SFTP ServerCoreftp |
|
References
- ExploitDB-46371exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflowthird-party-advisory
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