CVE-2019-19689
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedTrend Micro HouseCall for Home Networks (versions below 5.3.0.1063) could be exploited via a DLL Hijack related to a vulnerability on the packer that the program uses.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceTrend Micro HouseCall for Home Networks versions below 5.3.0.1063 is vulnerable to DLL hijacking due to insecure DLL loading by the application's packer component. The vulnerability allows an attacker to inject malicious DLLs that the application will load, potentially leading to arbitrary code execution with the privileges of the running process.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 5.3.0.1063CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify HouseCall for Home Networks is installedCheck the program installation directory (typically C:\Program Files\Trend Micro\HouseCall for Home Networks or C:\Program Files (x86)\Trend Micro\HouseCall for Home Networks) or look for the application in the Windows Add/Remove Programs listAffected if The application is not installed or the installation path cannot be found, meaning this CVE does not apply
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Locate the version informationNavigate to the HouseCall installation directory and locate the version file (often named version.txt, or right-click the main executable and select Properties > Details to view the File Version)Affected if Unable to locate any version information in the installation directory or executable properties
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Compare installed version to affected rangeRead the version number found (e.g., from version.txt, the main .exe file's properties, or the application's About/Help section) and compare it numerically to 5.3.0.1063Affected if The installed version is a four-part number less than 5.3.0.1063 (for example, 5.3.0.1062, 5.2.1.1045, etc.)
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Identify the packer componentCheck the HouseCall installation directory for the packer component (typically a file named packer.exe, unpacker.exe, or similar packing utility used by the application)Affected if The packer component exists in the installation directory, indicating the vulnerable DLL loading mechanism is present
If HouseCall for Home Networks is installed and the version is below 5.3.0.1063, the environment is affected by this DLL hijacking vulnerability.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor data5.3.0.1063
Upgrade to Trend Micro HouseCall for Home Networks version 5.3.0.1063 or later, which addresses the DLL hijack vulnerability in the packer component.
- Consultation2.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2019-19689 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2019-19689 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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