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CVE Record

CVE-2018-11937: Lack of input validation before copying can lead to a buffer over read in WLAN function in Snapdragon Auto,...

Lack of input validation before copying can lead to a buffer over read in WLAN function in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6574AU, QCS605, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM630, SDM660, SDX20, SDX24, SM7150

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-11937 is a Qualcomm Snapdragon WLAN flaw where insufficient input checking before a copy operation can read beyond intended memory. The public bundle does not provide severity, CVSS, exploitability details, or confirmed business impact, so urgency should be driven by affected asset presence and vendor patch status.

Executive priority

Treat this as an exposure-discovery and vendor-remediation item, not a confirmed emergency. Priority rises where affected Snapdragon-based devices support critical operations, are difficult to patch, or rely on vendor firmware with slow update cycles.

Technical view

The issue is described as lack of input validation before copying, causing a buffer over-read in a WLAN function across listed Snapdragon Auto, Compute, Consumer IoT, Industrial IoT, and Mobile platforms. No CWE, CVSS, prerequisites, or exploit chain details are provided in the bundle.

Likely exposure

Exposure is likely limited to products using the listed Qualcomm Snapdragon chipsets and platform families. Organizations may be affected through phones, embedded IoT, industrial devices, automotive systems, compute modules, or networking-adjacent products that include those WLAN components.

Exploitation context

The source bundle does not show CISA KEV listing and does not cite active exploitation. It also does not provide exploit availability, attacker proximity, authentication requirements, or practical impact beyond a buffer over-read condition.

Researcher notes

The public evidence is sparse: affected chipsets and vulnerability class are listed, but severity scoring, CWE mapping, exploitability, and exact fixed versions are not included. Avoid assuming remote exploitability or confirmed leakage impact without vendor bulletin details.

Mitigation direction

  • Identify assets using the listed Snapdragon chipsets or platform families.
  • Check Qualcomm, Code Aurora, and OEM advisories for fixed firmware.
  • Apply OEM firmware or security updates where available.
  • Escalate unsupported affected devices for replacement or compensating controls.
  • Prioritize critical operational devices and devices exposed to untrusted wireless environments.

Validation and detection

  • Map hardware inventory to the affected chipset list.
  • Verify device firmware versions against OEM security bulletin guidance.
  • Confirm mobile, IoT, automotive, and embedded vendors have issued updates.
  • Document devices with no available vendor fix or unsupported firmware.
  • Track remediation exceptions through vulnerability management records.
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-2018-11937 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.Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon MobileMDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6574AU, QCS605, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM630, SDM660, SDX20, SDX24, SM7150Listed
Weakness

CWE details

No CWE listed

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