Security readout for executives and security teams
Plain-English summary
CVE-2017-16289 is a high-severity memory corruption issue in Insteon Hub firmware 1012. An authenticated attacker could send crafted commands through PubNub handling and potentially compromise confidentiality, integrity, and availability. The source bundle does not identify active exploitation or a confirmed fix.
Executive priority
Treat this as a high-priority legacy device risk if Insteon Hubs are still in use. Prioritize inventory and vendor-supported remediation because the bundle provides strong impact evidence but no confirmed patch details.
Technical view
The issue is a stack-based buffer overflow in the Insteon Hub PubNub message handler for the "cc" channel. In cmd s_utc, the offset key is copied with strcpy into a 100-byte stack buffer, allowing overwrite when oversized input is processed after authenticated HTTP interaction.
Likely exposure
Exposure is most likely where Insteon Hub devices running firmware 1012 remain deployed. The bundle does not define a wider affected version range, CPEs, or fixed releases, so asset confirmation is required.
Exploitation context
The reported attack path requires authenticated access and crafted commands reaching the PubNub service handler. CVSS indicates network reachability, high attack complexity, low privileges, no user interaction, and high confidentiality, integrity, and availability impact. KEV status is false.
Researcher notes
Evidence is specific to firmware 1012 and the cmd s_utc offset handling path. Sources describe arbitrary stack overwrite potential, but do not provide fixed versions, broad version range, or exploitation in the wild.
Mitigation direction
- Identify all deployed Insteon Hub devices and record firmware versions.
- Check Insteon or vendor guidance for firmware updates, replacement, or retirement advice.
- Restrict hub administration and account access to trusted users only.
- Isolate affected hubs from sensitive networks where feasible.
- Monitor for crashes, unexpected resets, or unusual authenticated control activity.
Validation and detection
- Confirm whether any Insteon Hub is running firmware version 1012.
- Review vendor documentation for fixed versions or support status.
- Verify only authorized users can authenticate to hub control paths.
- Check logs or telemetry for unexplained hub crashes or resets.
- Document exposure and remediation decisions in the vulnerability register.
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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Open ATT&CK lookupCVE-2017-16289 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.
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.