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CVE Record

CVE-2017-16269: Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" chann...

Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer overflow overwriting arbitrary data. An attacker should send an authenticated HTTP request to trigger this vulnerability. In cmd s_b, at 0x9d01672c, the value for the `s_speaker` key is copied using `strcpy` to the buffer at `$sp+0x2d0`.This buffer is 100 bytes large, sending anything longer will cause a buffer overflow.

HighCVSS 8.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw affects Insteon Hub devices, specifically firmware 1012 per the description. An authenticated attacker could send malicious PubNub-delivered commands that overflow memory in the hub, potentially compromising confidentiality, integrity, and availability of the device.

Executive priority

Treat as high priority if Insteon Hubs are used in facilities, automation, or security-adjacent environments. Risk is lower where no affected hubs exist, but asset confirmation is essential because source version data is incomplete.

Technical view

CVE-2017-16269 is a stack-based buffer overflow in the PubNub message handler for the Insteon Hub "cc" channel. The reported issue copies the `s_speaker` value with `strcpy` into a 100-byte stack buffer, allowing overflow when oversized data is processed.

Likely exposure

Exposure is most likely where Insteon Hub firmware 1012 is deployed and reachable through its PubNub cloud messaging workflow. The source bundle lists affected versions as not specified, so confirm exact firmware and vendor guidance before scoping broadly.

Exploitation context

The CVE description says exploitation requires an authenticated HTTP request and specially crafted commands through PubNub. The bundle does not show CISA KEV listing or other evidence of active exploitation.

Researcher notes

The strongest technical evidence comes from the Talos report referenced by CVE data. The bundle does not provide a named patch, fixed version, or public exploitation evidence. Avoid assuming broader Insteon product impact beyond the cited Hub context.

Mitigation direction

  • Identify all deployed Insteon Hub devices and firmware versions.
  • Check Insteon or vendor guidance for available updates or mitigations.
  • Limit hub administration and cloud access to trusted accounts only.
  • Segment Insteon Hubs from sensitive business networks.
  • Monitor for unexpected hub commands or authentication activity.

Validation and detection

  • Confirm whether any Insteon Hub runs firmware version 1012.
  • Review whether PubNub-based messaging is enabled or required.
  • Verify who has authenticated access to hub-related services.
  • Check logs for unusual commands, failed logins, or unexpected configuration changes.
  • Validate network segmentation around affected hubs.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-121: Exact CWE lookup

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cve · low confidence lookup

CVE-2017-16269 mapping review

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Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.5CVSS 3.0HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H1.86Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.5High
CVSS 3.0 vector shape for CVE-2017-16269Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
InsteonHubNot specifiedListed
Weakness

CWE details

CWE-121

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.