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CVE Record

CVE-2019-15310: An issue was discovered on various devices via the Linkplay firmware.

An issue was discovered on various devices via the Linkplay firmware. There is WAN remote code execution without user interaction. An attacker could retrieve the AWS key from the firmware and obtain full control over Linkplay's AWS estate, including S3 buckets containing device firmware. When combined with an OS command injection vulnerability within the XML Parsing logic of the firmware update process, an attacker would be able to gain code execution on any device that attempted to update. Note that by default all devices tested had automatic updates enabled.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This CVE describes a supply-chain style risk in Linkplay firmware used by various devices. The reported issue could let an attacker abuse firmware update infrastructure and gain code execution on devices that attempted to update. The CVE record does not name specific affected products, versions, or a confirmed patch.

Executive priority

Prioritize discovery and vendor confirmation. The business risk is significant because the issue affects update trust and could scale across devices, but the evidence bundle lacks product-specific scope, patch status, and confirmed exploitation.

Technical view

The description links exposed AWS credentials in firmware to control of Linkplay AWS resources, including S3 firmware buckets. Combined with OS command injection in XML parsing during firmware updates, this could enable unauthenticated WAN remote code execution when devices update. Tested devices reportedly had automatic updates enabled by default.

Likely exposure

Exposure is most likely in devices using Linkplay firmware, especially IoT or connected audio products. The CVE source bundle does not identify exact models, versions, CPEs, or deployment counts, so asset confirmation must come from vendor records, firmware metadata, or device supplier guidance.

Exploitation context

The bundle states WAN remote code execution without user interaction, but does not cite public exploitation, and KEV status is false. Treat this as a high-impact latent exposure rather than confirmed active exploitation based on the provided evidence.

Researcher notes

Key gaps are affected product list, vulnerable firmware versions, remediation status, and exploit-in-the-wild evidence. Do not assume every Linkplay-featured product is vulnerable without confirmation from vendor advisories or firmware analysis.

Mitigation direction

  • Inventory devices that use Linkplay firmware or Linkplay update services.
  • Check Linkplay and device-vendor guidance for patched firmware or replacement instructions.
  • Segment suspected devices away from sensitive networks until vendor status is clear.
  • Restrict unnecessary WAN exposure and outbound access consistent with device requirements.
  • Review procurement records for products tied to Linkplay firmware.

Validation and detection

  • Confirm device firmware provenance through vendor documentation or firmware metadata.
  • Check whether automatic firmware updates are enabled on suspected devices.
  • Compare installed firmware against any vendor-published safe versions.
  • Review network controls around IoT and audio-device segments.
  • Look for unexpected firmware update behavior or unusual cloud update traffic.
Prepared
Confidence
medium
Sources
5

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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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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CVE-2019-15310 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
4Source 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
n/an/an/aListed
Weakness

CWE details

No CWE listed

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