Security readout for executives and security teams
Plain-English summary
CVE-2017-16292 affects Insteon Hub firmware 1012. A malicious authenticated command through PubNub can overflow a small memory buffer, potentially letting an attacker disrupt the hub or compromise confidentiality and integrity. The sources do not state that this is actively exploited.
Executive priority
Treat this as high priority for environments using affected Insteon Hubs, especially where smart-device compromise could affect facilities, safety, or trusted networks. Prioritize inventory, isolation, and vendor guidance review.
Technical view
The issue is a stack-based buffer overflow in the PubNub "cc" channel handler. In cmd g_schd, the grp value is copied with strcpy into an 8-byte stack buffer, allowing overwrite beyond the buffer when oversized input is processed.
Likely exposure
Exposure is most likely where Insteon Hub devices run firmware 1012 and accept authenticated control flows using the PubNub service. The provided affected-version data is incomplete beyond firmware 1012.
Exploitation context
The CVSS vector indicates network reachability, high attack complexity, low privileges, no user interaction, and high confidentiality, integrity, and availability impact. CISA KEV is false in the bundle, so active exploitation is not evidenced here.
Researcher notes
Evidence supports CWE-121 stack overflow in the PubNub message handler. The bundle names firmware 1012 but does not provide complete affected-version or fix details. Avoid assuming other firmware versions are affected without vendor confirmation.
Mitigation direction
- Inventory Insteon Hub devices and identify firmware 1012 instances.
- Check Insteon or vendor guidance for firmware updates or replacement direction.
- Restrict hub administration and authenticated control access to trusted users.
- Segment smart-device networks from business-critical systems.
- Monitor for hub crashes, reboots, or unusual authenticated control activity.
Validation and detection
- Confirm whether any deployed Insteon Hub reports firmware version 1012.
- Map whether PubNub-based hub control is enabled or required.
- Review authentication records for unexpected hub-control users or sessions.
- Compare deployed models and firmware against the Talos report scope.
- Document compensating controls where vendor fix status is unclear.
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-2017-16292 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.