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CVE Record

CVE-2018-3568: In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using t...

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, in __wlan_hdd_cfg80211_vendor_scan(), a buffer overwrite can potentially occur.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is an old Qualcomm Android wireless driver issue where a buffer overwrite could occur in affected CAF-based kernels before the April 5, 2018 security patch level. The sources do not provide severity, CVSS, or confirmed exploitation. Business risk is mainly from legacy or unsupported Qualcomm Android devices that missed OEM security updates.

Executive priority

Prioritize verification for legacy Android fleets, embedded devices, and unsupported Qualcomm-based products. There is insufficient evidence to call this an emergency, but any unpatched mobile or IoT estate from this era should be reviewed because vendor updates may no longer be available.

Technical view

CVE-2018-3568 affects Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android CAF Linux kernel releases before security patch level 2018-04-05. The vulnerable code path is __wlan_hdd_cfg80211_vendor_scan(), where a buffer overwrite can potentially occur. Public data does not include CWE, CVSS, or exploitability details.

Likely exposure

Exposure is most likely on older Qualcomm-based Android builds derived from CAF that are below the 2018-04-05 patch level. Current supported devices are likely remediated if receiving OEM security updates, but unmanaged, embedded, or end-of-life Android devices need confirmation.

Exploitation context

The supplied sources do not report active exploitation, and the CVE is not flagged as KEV. No public exploit status is established in the bundle. Treat this as a patch verification issue unless vendor advisories or device telemetry indicate otherwise.

Researcher notes

The source bundle identifies a buffer overwrite in Qualcomm WLAN vendor scan handling but lacks CVSS, CWE, impact detail, prerequisites, and exploit evidence. The reliable remediation boundary provided is the 2018-04-05 security patch level and the referenced CodeAurora fix.

Mitigation direction

  • Verify affected devices are at Android security patch level 2018-04-05 or later.
  • Apply OEM or vendor firmware updates that include the Qualcomm WLAN fix.
  • Check Qualcomm, OEM, or Android bulletin guidance for device-specific remediation.
  • Retire or isolate unsupported affected devices that cannot receive security updates.

Validation and detection

  • Inventory Qualcomm-based Android, MSM, QRD, and CAF-derived devices.
  • Check each device Android security patch level and kernel build lineage.
  • Confirm WLAN driver source or vendor firmware includes the referenced fix.
  • Review MDM records for devices below the 2018-04-05 patch level.
  • Document unsupported devices and assign compensating controls.
Prepared
Confidence
medium
Sources
4

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-2018-3568 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
3Source 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.