CVE-2017-5216
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 · uneditedStack-based buffer overflow vulnerability in Netop Remote Control versions 11.53, 12.21 and prior. The affected module in the Guest client is the "Import to Phonebook" option. When a specially designed malicious file containing special characters is loaded, the overflow occurs. 12.51 is the fixed version. The Support case ref is 00109744.
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 confidenceStack-based buffer overflow in Netop Remote Control Guest client's 'Import to Phonebook' feature. When a specially crafted malicious file containing special characters is loaded, the buffer overflow occurs, potentially allowing code execution.
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<= 12.50CVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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.
-
Check Netop Remote Control versionOpen Netop Remote Control, navigate to Help > About, or check the program's properties in Windows Add/Remove Programs. Look for the exact version number displayed.Affected if The installed version is 12.50 or any version lower than 12.50.
-
Verify Guest client component is installedCheck for Netop Guest client installation by looking for the guest executable (typically gc.exe or similar) in the Netop program directory, or verify the Guest component is listed in the Netop installation.Affected if The Guest client component is present on the system.
-
Confirm Phonebook feature existsLaunch the Netop Guest client and navigate through the menu options to locate the 'Import to Phonebook' feature. This is typically found under File or Phonebook menu.Affected if The 'Import to Phonebook' feature is accessible in the Guest client interface.
-
Inspect recent phonebook importsCheck the phonebook data directory (typically found in the Netop data folder) for recently imported .pbk or phonebook files that may have been used as the exploit vector.Affected if There are recently imported phonebook files from untrusted sources.
You are affected if Netop Remote Control version 12.50 or lower is installed and the Guest client's Import to Phonebook feature is accessible and has been used.
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 dataUpdate Netop Remote Control to version 12.51 or later. Avoid importing untrusted files into the Phonebook feature until the update is applied.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-5216 — 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-2017-5216 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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