Security readout for executives and security teams
Plain-English summary
This vulnerability affects Insteon Hub devices, specifically firmware version 1012 as described by the source. An authenticated attacker could send crafted commands through the PubNub control path and corrupt memory, potentially taking control of the device or disrupting it.
Executive priority
Treat this as a high-priority IoT risk if Insteon Hubs are present. The requirement for authentication reduces opportunistic exposure, but successful exploitation could affect device control and broader network safety if hubs are poorly segmented.
Technical view
The issue is a stack-based buffer overflow in the PubNub message handler for the "cc" channel. In cmd s_time, the dststart value is copied with strcpy into a 16-byte stack buffer, allowing overwrite when the value is longer. CVSS 3.0 is 8.5.
Likely exposure
Exposure is most relevant where Insteon Hub firmware 1012 is deployed and reachable through its PubNub-backed control workflow. The source metadata lists Insteon Hub versions as not fully specified, so teams should verify firmware rather than assume all models are affected.
Exploitation context
The CVE source says an attacker must send an authenticated HTTP request. No CISA KEV listing or supplied source indicates active exploitation. The high impact comes from possible confidentiality, integrity, and availability compromise after memory corruption.
Researcher notes
Evidence supports a stack overflow in the s_time command path, involving dststart copied into a 16-byte stack buffer. The provided sources do not name a patch, fixed version, exploit-in-the-wild evidence, or complete affected-version range beyond firmware 1012.
Mitigation direction
- Inventory Insteon Hub devices and identify firmware version 1012.
- Check Insteon and Talos guidance for available firmware or vendor remediation.
- Restrict hub management and control access to trusted networks where feasible.
- Segment hubs from sensitive systems and limit lateral network access.
- Review credentials for services able to send authenticated hub requests.
- Consider isolation or replacement if no supported firmware fix exists.
Validation and detection
- Compare asset inventory against Insteon Hub firmware version 1012.
- Confirm whether PubNub-based control paths are enabled or used.
- Review logs for unusual authenticated hub control requests.
- Check network segmentation prevents hub access to sensitive internal systems.
- Document vendor guidance status and any compensating controls applied.
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
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2017-16286 mapping review
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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.