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CVE Record

CVE-2018-3576: improper validation of array index in WiFi driver function sapInterferenceRssiCount() leads to array out-of...

improper validation of array index in WiFi driver function sapInterferenceRssiCount() leads to array out-of-bounds access in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-3576 is a Qualcomm CAF Android kernel WiFi driver issue. A bad array index check can cause out-of-bounds access. The public bundle does not provide CVSS, impact detail, exploitability, or a confirmed patch state, so urgency depends on whether your fleet uses affected Qualcomm CAF-based Android builds.

Executive priority

Handle as a legacy mobile and embedded device exposure review, not as a confirmed emergency. Prioritize environments with unmanaged, unsupported, or mission-critical Qualcomm Android devices because patch visibility may depend on OEM firmware support.

Technical view

The issue is improper validation of an array index in sapInterferenceRssiCount() in the WiFi driver, leading to array out-of-bounds access in CAF Android-family releases using the Linux kernel. The affected scope listed is Android for MSM, Firefox OS for MSM, and QRD Android from Qualcomm CAF.

Likely exposure

Exposure is most likely in older Android devices or embedded products based on Qualcomm CAF Android/Linux kernel trees, especially vendor BSPs derived from Android for MSM or QRD Android. Standard non-Qualcomm platforms are not identified as affected in the provided sources.

Exploitation context

No provided source indicates active exploitation, and the bundle marks KEV as false. The sources do not describe attacker prerequisites, reachable interfaces, privilege requirements, or real-world abuse. Treat exploitability as unconfirmed from this evidence.

Researcher notes

The public record gives function-level location and affected CAF release families but omits CVSS, CWE, impact class, exploit prerequisites, and remediation specifics. Avoid assuming remote code execution or active exploitation without vendor bulletin details or additional primary evidence.

Mitigation direction

  • Check Qualcomm/CAF and device OEM guidance for CVE-2018-3576.
  • Apply relevant OEM firmware, kernel, or WiFi driver updates when available.
  • Prioritize unsupported Qualcomm Android devices for replacement planning.
  • Restrict high-risk legacy devices from sensitive networks where feasible.

Validation and detection

  • Inventory Android and embedded devices using Qualcomm CAF-based kernels.
  • Map device BSPs to Android for MSM, QRD Android, or Firefox OS for MSM lineage.
  • Confirm vendor patch level or firmware notes mention CVE-2018-3576.
  • Document devices with no available vendor fix as residual risk.
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

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-2018-3576 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
2Source links

CVSS and timeline data

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

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.