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CVE Record

CVE-2018-5830: While processing the HTT_T2H_MSG_TYPE_MGMT_TX_COMPL_IND message, a buffer overflow can potentially occur in...

While processing the HTT_T2H_MSG_TYPE_MGMT_TX_COMPL_IND message, a buffer overflow can potentially occur in Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE describes a potential buffer overflow in older Qualcomm CAF-based Android/Linux builds. In business terms, exposure is mainly legacy mobile or embedded devices that did not receive the June 5, 2018 Android security patch level or equivalent Qualcomm fixes.

Executive priority

Prioritize this for legacy device governance rather than emergency response unless exposed affected devices are confirmed. The main business risk is unmanaged, unsupported Qualcomm-based Android hardware remaining in production.

Technical view

The issue occurs while processing HTT_T2H_MSG_TYPE_MGMT_TX_COMPL_IND in Qualcomm CAF WLAN-related code. The source bundle identifies affected Android for MSM, Firefox OS for MSM, and QRD Android releases using the Linux kernel before Android security patch level 2018-06-05.

Likely exposure

Organizations are most likely exposed through older Qualcomm-based Android or embedded devices built from CAF releases and left below the 2018-06-05 security patch level. OEM backport status may vary by device.

Exploitation context

The provided sources do not show known active exploitation, KEV listing, exploit availability, attack vector, or required privileges. Treat exploitation details as incomplete rather than assuming internet-scale risk.

Researcher notes

Evidence supports a potential buffer overflow and pre-2018-06-05 affected scope, but not CVSS, exploitability, impact class, or active exploitation. Validate patch presence through SPL, OEM advisories, and the referenced CAF commits.

Mitigation direction

  • Confirm affected devices have security patch level 2018-06-05 or later.
  • Apply OEM or Qualcomm-provided firmware updates where available.
  • Check vendor guidance for device-specific backports or replacement builds.
  • Retire or isolate unsupported devices that cannot receive fixes.

Validation and detection

  • Inventory Qualcomm-based Android, CAF, QRD, and related embedded builds.
  • Record Android security patch levels for each managed device.
  • Check build manifests or vendor notes for the cited Qualcomm WLAN fixes.
  • Confirm unsupported legacy devices are isolated or removed from sensitive networks.
Prepared
Confidence
medium
Sources
6

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

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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CVE-2018-5830 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Qualcomm, Inc.Android for MSM, Firefox OS for MSM, QRD AndroidAll Android releases from CAF using the Linux kernelListed
Weakness

CWE details

No CWE listed

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