CVE-2019-25654

moderate-risk
Published 2026-03-30

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.

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Coreftp

References (4)

Product http://www.coreftp.com/
Product http://www.coreftp.com/server/download/archive/CoreFTPServer589.42.exe
Exploit https://www.exploit-db.com/exploits/46371
Third Party Advisory https://www.vulncheck.com/advisories/core-ftp-sftp-server-denial-of-service-via-...
31
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal