Security readout for executives and security teams
Plain-English summary
This CVE affects Insteon Hub firmware 1012. An authenticated attacker can send crafted cloud-mediated commands that overflow memory in the hub and may gain control, alter behavior, or crash the device. The sources do not state active exploitation or a specific vendor patch.
Executive priority
Treat this as high priority for environments still using Insteon Hub firmware 1012, especially in operational or physical-security contexts. The main business risk is remote authenticated compromise or disruption of automation equipment.
Technical view
The PubNub "cc" channel message handler contains a stack-based buffer overflow in cmd s_sonos. The c_group value is copied with strcpy into a 32-byte stack buffer, allowing memory overwrite when oversized input is processed after authenticated HTTP interaction.
Likely exposure
Exposure is most likely where Insteon Hubs running firmware 1012 remain deployed and reachable through the PubNub-connected control path by authenticated users or compromised accounts.
Exploitation context
CVE data rates this as network exploitable with high complexity, low privileges, no user interaction, and high confidentiality, integrity, and availability impact. KEV is false, and the provided sources do not report active exploitation.
Researcher notes
The provided evidence is specific to firmware 1012 and the cmd s_sonos c_group copy into a 32-byte stack buffer. Version breadth, patch status, and real-world exploitation are not established in the supplied sources.
Mitigation direction
- Inventory Insteon Hub deployments and identify firmware version 1012.
- Check Insteon and Talos guidance for fixed firmware or supported remediation.
- Restrict hub administration and cloud-linked control to trusted accounts only.
- Reduce unnecessary network exposure while vendor remediation is confirmed.
- Replace or retire affected hubs if no supported fix is available.
Validation and detection
- Confirm device model and firmware against the CVE and Talos report.
- Review whether hubs use PubNub-connected control paths.
- Audit authenticated hub access for unexpected users or account compromise.
- Check vendor advisories before performing any validation that could crash devices.
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-2017-16322 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.