CVE-2019-25232
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 · uneditedNetPCLinker 1.0.0.0 contains a buffer overflow vulnerability in the Clients Control Panel DNS/IP field that allows attackers to execute arbitrary shellcode. Attackers can craft a malicious payload in the DNS/IP input to overwrite SEH handlers and execute shellcode when adding a new client.
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 · high confidenceNetPCLinker 1.0.0.0 contains a stack-based buffer overflow in the Clients Control Panel where the DNS/IP input field does not properly validate input length. Attackers can supply an overly long payload that overwrites Structured Exception Handler (SEH) records, redirecting execution flow to attacker-controlled shellcode when adding a new client.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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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Confirm NetPCLinker installationSearch for NetPCLinker in installed programs (Windows: Check Add/Remove Programs, Linux: check package manager or common installation directories like /opt or /usr/local)Affected if NetPCLinker is installed on the system
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Identify installed versionCheck the application's version information - typically found in the executable's properties, the about dialog within the application, or the installation directory (e.g., look for version.txt, or right-click NetPCLinker.exe and select Properties > Details)Affected if Version is exactly 1.0.0.0
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Locate the Clients Control PanelLaunch NetPCLinker and navigate to the Clients Control Panel feature (this is the module where the vulnerability exists)Affected if The Clients Control Panel component is accessible within the application
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Identify DNS/IP input fieldIn the Clients Control Panel, locate the option to add a new client - the DNS/IP input field should be present in the client creation formAffected if The DNS/IP input field exists when adding a new client (this is the vulnerable component)
User is affected if NetPCLinker version 1.0.0.0 is installed and the Clients Control Panel with its DNS/IP input field is accessible and accepts input.
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 dataImplement strict input length validation and bounds checking on all client input fields, particularly the DNS/IP field; replace unsafe string functions with secure alternatives and enable compiler-based stack protection mechanisms.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-25232 — 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-2019-25232 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
- No spam, self-promotion, credentials, or personal data