Security readout for executives and security teams
Plain-English summary
This CVE affects Qualcomm Snapdragon platforms used in mobile, automotive, compute, and IoT devices. The reported issue is in WLAN functionality and involves an uninitialized extra buffer that can cause out-of-buffer access. The source bundle does not provide severity, CVSS, exploitability, or fixed-version details.
Executive priority
Treat this as an inventory-and-vendor-remediation item, not an emergency based on current evidence. Raise priority for fleets with listed Snapdragon platforms in sensitive, mobile, IoT, or automotive environments where firmware patching is slow or opaque.
Technical view
CVE-2018-11949 is a Qualcomm WLAN flaw where failure to initialize an extra buffer can lead to out-of-buffer access. Affected platforms include multiple Snapdragon Auto, Compute, Consumer IoT, Industrial IoT, and Mobile chipsets. No CWE, CVSS vector, patch level, or exploitation evidence is provided in the supplied sources.
Likely exposure
Exposure is most likely in devices using the listed Snapdragon chipsets with vulnerable WLAN firmware or software. Organizations should focus on managed Android, IoT, embedded, automotive, and compute assets where chipset and firmware provenance are known.
Exploitation context
The supplied sources do not confirm active exploitation, public exploit availability, or CISA KEV listing. Because the issue is in WLAN functionality, practical risk depends on device model, firmware build, OEM updates, and whether vulnerable wireless components remain enabled.
Researcher notes
The public record is sparse. It identifies a WLAN out-of-buffer access condition tied to an uninitialized extra buffer, but lacks CVSS, CWE, attack prerequisites, fixed releases, or proof of exploitation. Avoid assuming impact beyond the supplied Qualcomm platform list.
Mitigation direction
- Identify assets using the affected Snapdragon platforms listed in the CVE record.
- Check Qualcomm, OEM, carrier, and device-vendor guidance for fixed firmware or security updates.
- Apply applicable vendor-provided firmware, OS, or security maintenance updates.
- Prioritize WLAN-capable managed devices in untrusted or high-density wireless environments.
- If no update is available, ask the OEM for exposure and remediation status.
Validation and detection
- Inventory device models, chipsets, firmware builds, and Android or embedded security patch levels.
- Compare chipset data against the affected Snapdragon platform list.
- Review OEM and Qualcomm April 2019 security advisory coverage for each device family.
- Confirm whether vendor advisories name a fixed build for the deployed device.
- Track unresolved devices in vulnerability management until vendor status is documented.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-11949 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.codeaurora.org/security-bulletin/2019/04/01/april-2019-code-aurora-security-bulletinCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.