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CVE Record

CVE-2021-32459: Trend Micro Home Network Security version 6.6.604 and earlier contains a hard-coded password vulnerability...

Trend Micro Home Network Security version 6.6.604 and earlier contains a hard-coded password vulnerability in the log collection server which could allow an attacker to use a specially crafted network request to lead to arbitrary authentication. An attacker must first obtain the ability to execute high-privileged code on the target device in order to exploit this vulnerability.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Trend Micro Home Network Security 6.6.604 and earlier has a hard-coded password issue in its log collection server. The available description says exploitation requires the attacker to already execute high-privileged code on the target device, so this is mainly a post-compromise risk rather than an initial entry point.

Executive priority

Treat this as a targeted device-hardening issue. It is not evidenced as actively exploited, but affected security appliances should be remediated because compromise could weaken trust in home-network security monitoring.

Technical view

CVE-2021-32459 is a hard-coded password vulnerability affecting Trend Micro Home Network Security through version 6.6.604. A specially crafted network request could lead to arbitrary authentication against the log collection server, but the attacker must first gain high-privileged code execution on the device.

Likely exposure

Exposure is limited to Trend Micro Home Network Security deployments running version 6.6.604 or earlier. The sources do not identify other affected products, internet-wide exposure, or affected cloud services.

Exploitation context

The CVE is not listed as KEV in the supplied bundle, and no supplied source states active exploitation. The key limiting factor is the prerequisite: high-privileged code execution on the target device before this vulnerability can be used.

Researcher notes

The public bundle provides no CVSS vector, CWE entry, patch version, or exploit evidence. Analysis should stay anchored to the CVE description, Trend Micro advisory, and Talos report, with special attention to the high-privilege prerequisite.

Mitigation direction

  • Identify Trend Micro Home Network Security devices and their installed versions.
  • Check Trend Micro advisory TMKA-10337 for vendor-supported remediation guidance.
  • Prioritize upgrade or removal for devices running 6.6.604 or earlier.
  • Limit affected devices to trusted local networks until remediated.

Validation and detection

  • Confirm whether any deployed device runs version 6.6.604 or earlier.
  • Review Trend Micro guidance for the corrected version or supported workaround.
  • Check whether affected devices are reachable from untrusted network segments.
  • Review available device logs for unexpected authenticated log collection activity.
Prepared
Confidence
medium
Sources
4

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

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ATT&CK lookup starting points

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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. 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-2021-32459 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
3Source 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
Trend MicroTrend Micro Home Network Security6.6.604 and belowListed
Weakness

CWE details

No CWE listed

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