Security readout for executives and security teams
Plain-English summary
CVE-2017-16299 is a high-impact memory corruption flaw in Insteon Hub firmware 1012. A specially crafted authenticated request through PubNub can overflow a small stack buffer, potentially affecting confidentiality, integrity, and availability of the device.
Executive priority
Treat as high priority where Insteon Hub firmware 1012 is deployed, especially in environments where device compromise could affect physical operations or trusted networks. Prioritize inventory, access reduction, and vendor guidance review.
Technical view
The flaw is a CWE-121 stack-based buffer overflow in the PubNub message handler for the cc channel. In cmd sn_raw, the d key is copied with strcpy into a 100-byte stack buffer, allowing overflow when the value is longer than the buffer.
Likely exposure
Exposure appears limited to Insteon Hub devices running firmware version 1012 that process the affected PubNub cc channel command path. The source bundle does not specify broader affected versions.
Exploitation context
Sources describe network-reachable exploitation requiring an authenticated HTTP request and high attack complexity. The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation.
Researcher notes
Evidence is specific about the vulnerable copy operation and buffer size, but incomplete on patched versions, vendor-fixed firmware, and whether other firmware branches are affected. Avoid assuming exploitation in the wild from the supplied sources.
Mitigation direction
- Identify Insteon Hub devices and confirm firmware versions.
- Check Insteon and Talos guidance for firmware or replacement options.
- Restrict authenticated access to the hub and related cloud-control path.
- Segment affected hubs away from sensitive systems.
- Review device accounts and remove unnecessary access.
Validation and detection
- Inventory all Insteon Hub deployments and firmware versions.
- Flag any device running firmware version 1012 for remediation review.
- Review logs for unexpected authenticated requests involving PubNub control paths.
- Confirm whether the cc channel command path is reachable in your environment.
- Document compensating controls if vendor remediation is unavailable.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2017-16299 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.