Memory Buffer Bounds ErrorWeakness · CWE-119

CVE-2025-6565

HIGH · 8.8 CVSS v3.1 Published 2025-06-24
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
94/100
Remediation priority · Urgent
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability was found in Netgear WNCE3001 1.0.0.50. It has been classified as critical. This affects the function http_d of the component HTTP POST Request Handler. The manipulation of the argument Host leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

A stack-based buffer overflow vulnerability exists in the http_d function of the HTTP POST Request Handler in Netgear WNCE3001 firmware version 1.0.0.50. The vulnerability is triggered via manipulation of the Host HTTP header argument, allowing remote attackers to potentially execute arbitrary code. The exploit is publicly available and can be initiated remotely without authentication.

MitigationApply any available firmware update from Netgear for the WNCE3001 device. If no update exists, consider network segmentation to limit exposure and monitor for indicators of compromise targeting the HTTP service.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the device model
    Access the device administration interface or check the device label to confirm the model is Netgear WNCE3001
    Affected if The device is a Netgear WNCE3001 unit
  2. Check the installed firmware version
    Log into the device web interface and look for the firmware version in the administration settings, or use the device's web-based status page to retrieve the firmware version information
    Affected if The firmware version is 1.0.0.50
  3. Verify the HTTP service is running and accessible
    Attempt to reach the device's HTTP interface by accessing its IP address on port 80 or 8080 from an authorized network location
    Affected if The HTTP service is exposed and responding to requests
  4. Review HTTP service logs for anomalous Host header activity
    If the device supports logging or if network traffic logging is available, examine HTTP access logs for unusual or repeated requests with abnormally long Host header values
    Affected if Log evidence shows attempts to send oversized Host header values to the device

You are affected if you have a Netgear WNCE3001 device running firmware version 1.0.0.50 with its HTTP management interface accessible on the network.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply any available firmware update from Netgear for the WNCE3001 device. If no update exists, consider network segmentation to limit exposure and monitor for indicators of compromise targeting the HTTP service.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation12.0 h
  • Testing8.0 h
  • Review / QA4.0 h
28.0 hours of engineering $4,880
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-6565 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
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