Security readout for executives and security teams
Plain-English summary
This CVE affects Insteon Hub firmware 1012. A flaw in how the hub handles PubNub messages can corrupt memory and may let an authenticated attacker take control of the device, steal data, or disrupt service. There is no source evidence of known active exploitation.
Executive priority
Treat this as high priority for environments using affected Insteon Hub devices. The business concern is potential device compromise through authenticated remote control paths, especially if these hubs touch physical security, facilities, or sensitive networks.
Technical view
The vulnerability is a stack-based buffer overflow in the PubNub message handler for the "cc" channel. Talos describes unsafe copying of a command field into a fixed-size stack buffer. CVSS 3.0 is 8.5 with network reachability, low privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where Insteon Hub devices run firmware version 1012 and remain connected to PubNub-backed control paths. The source bundle does not prove impact to other firmware versions or products.
Exploitation context
Sources state exploitation requires an authenticated HTTP request and specially crafted commands through PubNub. CISA KEV status is false in the bundle, and no cited source states active exploitation.
Researcher notes
Key evidence comes from Talos and the CVE record. The bug is CWE-121 in the PubNub "cc" channel handler, involving the cmd sn_exw path and unsafe handling of the cmd1 value. The bundle does not include a confirmed patch version or exploitation-in-the-wild evidence.
Mitigation direction
- Inventory Insteon Hub devices and record firmware versions.
- Check Insteon or vendor guidance for firmware updates, fixes, or replacement options.
- Restrict device administration and PubNub-related credentials to trusted users.
- Segment affected hubs away from sensitive business networks.
- Monitor for unusual authenticated control traffic to affected hubs.
Validation and detection
- Confirm whether any Insteon Hub is running firmware 1012.
- Review asset records for PubNub-connected Insteon deployments.
- Check device and gateway logs for unusual authenticated command activity.
- Verify network segmentation limits hub access to required systems.
- Document whether vendor remediation guidance exists for each device.
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-2017-16307 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.