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Back to active CVEs
High · CVSS 8.7CVE-2019-25654

Core FTP/SFTP Server 1.2 Denial of Service via Buffer OverflowCVE-2019-25654

Answer in brief

CVE-2019-25654 records a High severity (CVSS 8.7) vulnerability in Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow. The current sources do not mark it as known exploited. The current feed maps Coreftp/Core FTP/SFTP Server (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Mar 30, 2026Updated Oct 27, 2026Source checked Oct 27, 2026First seen by HOL Oct 27, 2026Material review Oct 27, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Coreftp/Core FTP/SFTP Server (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Coreftp/Core FTP/SFTP Servergenericv2-Build 673Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Coreftp/Core FTP/SFTP Server.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Mar 30, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 27, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 27, 2026

Sources and claim methodology

  • Source referenceexploit-db.com
  • Source referencevulncheck.com
  • Source referencecoreftp.com
  • Source referencecoreftp.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • DevilutionX 1.4.0 through 1.5.5 Heap Buffer Overflow via libmpq__archive_dupAlso CWE-787

Record context

Vulnerability class
Memory Corruption
EPSS
Not reported
CWE IDs
CWE-787
Source
CVE List V5
Source checked
Oct 27, 2026
References
4 linked sources
Open source record