Security readout for executives and security teams
Plain-English summary
This flaw affects Insteon Hub firmware 1012. A logged-in attacker could send a specially crafted PubNub command that overflows memory in the hub, potentially taking control of the device or disrupting it. The source bundle does not identify active exploitation or a specific vendor patch.
Executive priority
Treat this as high priority where affected hubs support business operations, physical access, or safety-relevant automation. The vulnerability can affect confidentiality, integrity, and availability, but available sources do not show active exploitation or a named patch.
Technical view
CVE-2017-16301 is a stack-based buffer overflow in the PubNub message handler for the Insteon Hub cc channel. In cmd sn_ex, the flg value is copied with strcpy into a 32-byte stack buffer, allowing overwrite when oversized input is processed. CVSS 3.0 is 8.5, with network access, low privileges, no user interaction, and high CIA impact.
Likely exposure
Exposure is likely limited to Insteon Hub deployments running firmware version 1012 and using the PubNub-based message path described by Talos. The CVE record lists the affected product as Insteon Hub, with versions not otherwise specified.
Exploitation context
The bundle states an attacker must send an authenticated HTTP request through the PubNub service. It does not provide evidence of public exploitation, and the CVE is not listed as KEV in the supplied data.
Researcher notes
Primary technical evidence comes from Talos TALOS-2017-0483 and the CVE record. The precise vulnerable copy involves the flg key in cmd sn_ex. Do not assume other Insteon firmware versions are affected unless vendor or vulnerability records confirm it.
Mitigation direction
- Inventory Insteon Hub devices and record firmware versions.
- Check Insteon or vendor guidance for firmware fixes or replacement advice.
- Restrict who can authenticate to accounts or services controlling affected hubs.
- Monitor affected hubs for unexpected resets, failures, or command activity.
- Retire or isolate unsupported affected devices where no fix is available.
Validation and detection
- Confirm whether any Insteon Hub is running firmware version 1012.
- Review device management paths that rely on PubNub messaging.
- Verify only authorized users can issue hub control requests.
- Check vendor advisories for any remediation tied to this CVE.
- Document unresolved devices as accepted, isolated, or scheduled for replacement.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-121: Exact CWE lookup
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Open ATT&CK lookupCVE-2017-16301 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H1.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.5HighVector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0483CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.