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CVE Record

CVE-2017-16260: 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_auth, at 0x9d015478, the value for the `pwd` key is copied using `strcpy` to the buffer at `$sp+0x2b0`.This buffer is 32 bytes large, sending anything longer will cause a buffer overflow.

HighCVSS 8.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2017-16260 affects Insteon Hub firmware 1012. A crafted, authenticated command through PubNub can overflow memory and potentially let an attacker compromise device confidentiality, integrity, and availability. The sources do not show active exploitation or a confirmed vendor patch.

Executive priority

Prioritize if Insteon Hubs are deployed in business, facility, or physical security contexts. The impact is high, but urgency is reduced without evidence of active exploitation.

Technical view

The issue is a stack-based buffer overflow in the PubNub "cc" channel message handler. Talos describes cmd s_auth copying the pwd value with strcpy into a 32-byte stack buffer, allowing overwrite when oversized input is processed after authenticated HTTP access.

Likely exposure

Organizations with Insteon Hub devices, especially firmware 1012, should treat exposure as plausible. Broader affected versions are not specified in the provided sources.

Exploitation context

The CVSS vector is network-accessible, high complexity, low privileges, no user interaction, and scope-changing. KEV is false, and no cited source states active exploitation.

Researcher notes

Evidence is specific for firmware 1012 and the s_auth pwd copy flaw. The provided sources do not define all affected versions, patch availability, or real-world exploitation status.

Mitigation direction

  • Inventory Insteon Hub devices and record firmware versions.
  • Check Insteon and Talos guidance for firmware updates or advisories.
  • Restrict access to accounts and services controlling affected hubs.
  • Retire or isolate affected hubs if no supported fix exists.
  • Monitor hub control activity for unexpected authenticated commands.

Validation and detection

  • Confirm whether any Insteon Hub runs firmware 1012.
  • Review device management records for PubNub-connected hub deployments.
  • Check vendor support channels for patch or replacement guidance.
  • Verify only authorized users can control affected hubs.
  • Review logs for unusual authenticated hub command activity.
Prepared
Confidence
medium
Sources
3

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-2017-16260 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-2017-16260Attack 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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
InsteonHubNot specifiedListed
Weakness

CWE details

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

CWE-121 · source CWE mapping

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.