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CVE Record

CVE-2019-15311: An issue was discovered on Zolo Halo devices via the Linkplay firmware.

An issue was discovered on Zolo Halo devices via the Linkplay firmware. There is Zolo Halo LAN remote code execution. The Zolo Halo Bluetooth speaker had a GoAhead web server listening on the port 80. The /httpapi.asp endpoint of the GoAhead web server was also vulnerable to multiple command execution vulnerabilities.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2019-15311 describes remote command execution on Zolo Halo Bluetooth speakers using Linkplay firmware. A web server on the device could expose a vulnerable API endpoint. If reachable, an attacker could potentially run commands on the device. The bundle does not provide CVSS, patch details, or evidence of active exploitation.

Executive priority

Treat this as a targeted IoT exposure issue. It is not a broad enterprise software emergency from the provided evidence, but exposed devices could become footholds inside trusted networks if unmanaged.

Technical view

The issue involves a GoAhead web server listening on TCP port 80 on Zolo Halo devices. The /httpapi.asp endpoint is described as vulnerable to multiple command execution flaws. The CVE data names Zolo Halo and Linkplay firmware, but does not enumerate affected firmware versions, CPEs, CWEs, or fixed releases.

Likely exposure

Exposure is most likely where Zolo Halo speakers using Linkplay firmware are connected to a reachable LAN or otherwise expose port 80. The provided sources do not justify assuming all Linkplay-based products are affected.

Exploitation context

The source bundle does not state active exploitation, and the CVE is not listed as KEV. Risk is still meaningful because the described bug is command execution against a network-exposed device service.

Researcher notes

Evidence is sparse: no CVSS, affected version list, CWE mapping, CPEs, or patch status are included. Analysis should stay scoped to Zolo Halo devices via Linkplay firmware unless additional vendor evidence expands impact.

Mitigation direction

  • Identify any Zolo Halo speakers or Linkplay-firmware devices in the environment.
  • Check vendor and F-Secure advisory guidance for firmware updates or supported mitigations.
  • Block untrusted access to device port 80, especially from guest or user networks.
  • Place affected IoT devices on isolated network segments with minimal lateral access.
  • Retire or disconnect devices if no vendor-supported remediation is available.

Validation and detection

  • Scan asset inventory for Zolo Halo speakers and Linkplay-firmware devices.
  • Confirm whether TCP port 80 is reachable on identified devices.
  • Review device firmware versions against any vendor advisory information available.
  • Check network controls preventing untrusted access to the device web service.
  • Look for unexplained device behavior or network traffic, without assuming compromise.
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 · low confidence lookup

CVE-2019-15311 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.