Security readout for executives and security teams
Plain-English summary
This CVE affects Insteon Hub firmware 1012. An authenticated attacker using the PubNub message path could send oversized data that overflows memory, potentially compromising confidentiality, integrity, and availability. The source bundle does not name a vendor patch or confirm active exploitation.
Executive priority
Treat as high priority where Insteon Hubs are deployed, especially in security-sensitive facilities. The impact rating is severe, but urgency depends on confirmed asset presence, firmware version, and exposure of authenticated remote-control paths.
Technical view
TALOS/CVE data describe multiple stack-based buffer overflows in the PubNub "cc" channel message handler. For cmd e_u, the grp value is copied with strcpy into an 8-byte stack buffer, enabling arbitrary stack data overwrite after an authenticated HTTP request. CWE-121; CVSS 3.0 8.5.
Likely exposure
Exposure is limited to environments with Insteon Hub devices running the affected firmware, specifically firmware version 1012 per the description. Because the record's affected-version metadata says "Not specified," asset validation should confirm model and firmware directly.
Exploitation context
The CVE record describes network-reachable attack conditions with high complexity, low privileges, no user interaction, and changed scope. CISA KEV status is false in the provided bundle, so there is no source-grounded evidence here of known active exploitation.
Researcher notes
The strongest evidence is the TALOS report and CVE description. The affected-version metadata is sparse, while the vulnerability text names firmware 1012. No patch, workaround, exploit-in-the-wild claim, or broader product list is provided in the source bundle.
Mitigation direction
- Check current Insteon vendor guidance for firmware updates or retirement advice.
- Inventory Insteon Hub deployments and confirm firmware versions.
- Restrict access to management and cloud-linked control paths where feasible.
- Disable or isolate unsupported hubs until vendor guidance is confirmed.
- Monitor for unexpected hub resets, crashes, or configuration changes.
Validation and detection
- Identify Insteon Hub assets and record firmware versions.
- Confirm whether any device is running firmware version 1012.
- Review exposure of PubNub-connected or remote-control functionality.
- Check logs or telemetry for suspicious authenticated hub requests.
- Document compensating controls if no vendor fix is available.
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-2017-16274 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.