CVE-2017-16304
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 · uneditedMultiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer overflow overwriting arbitrary data. An attacker should send an authenticated HTTP request to trigger this vulnerability. In cmd sn_ex, at 0x9d01ae40, the value for the `d` key is copied using `strcpy` to the buffer at `$sp+0x334`.This buffer is 100 bytes large, sending anything longer will cause a buffer overflow.
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 Insteon Hub firmware 1012 PubNub message handler for the 'cc' channel. In the 'sn_ex' command, the value for the 'd' key is copied using unsafe strcpy to a 100-byte buffer at stack pointer offset 0x334, allowing overflow and potential arbitrary code execution via authenticated HTTP requests through PubNub.
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= 1012CVSS 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
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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.
-
Identify Insteon Hub firmware versionAccess the Insteon Hub administrative interface or check the device settings to display the current firmware version. This is typically found under Settings, Device Info, or About section of the web interface.Affected if The firmware version displayed is exactly 1012
-
Verify PubNub integration is configuredCheck if the Insteon Hub has PubNub cloud connectivity enabled. This is usually configured in the Hub settings under Cloud, PubNub, or API settings in the web administration panel.Affected if PubNub integration is enabled and the device is connected to PubNub services
-
Confirm network accessibility to PubNub interfaceInspect network configuration to determine if the Insteon Hub can reach PubNub servers (typically pubnubapi.com or similar). Check firewall rules, router settings, or VLAN configuration that may permit or block this outbound connection.Affected if The Hub has outbound network access to PubNub cloud services
You are affected if your Insteon Hub is running firmware version 1012 AND has PubNub connectivity enabled, allowing authenticated HTTP requests to reach the PubNub message handler for the cc channel.
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 firmware if patched version available; otherwise implement input validation/length checking before strcpy to prevent overflow, and restrict network access to the PubNub interface via segmentation.
- Consultation4.0 h
- Implementation12.0 h
- Testing4.0 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 $6,272.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-16304 — 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-2017-16304 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