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Classic Buffer OverflowWeakness · CWE-120

CVE-2025-44879

HIGH · 7.5 CVSS v3.1 Published 2025-05-14
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges 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
WS-WN572HP3 V230525 was discovered to contain a buffer overflow in the component /www/cgi-bin/upload.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

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 buffer overflow vulnerability exists in the /www/cgi-bin/upload.cgi component of the WS-WN572HP3 wireless access point firmware V230525. Attackers can exploit this by sending a crafted HTTP request with oversized input to the upload functionality, causing the device to crash or become unresponsive.

MitigationRestrict network access to the device's web interface, disable the upload functionality if possible until a firmware patch is available, and monitor for attempts targeting this endpoint.

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
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 device model
    Access the device's web interface or check the physical device label for the model number WS-WN572HP3
    Affected if Device is a WS-WN572HP3 wireless access point
  2. Check firmware version
    Log into the device's web administration panel and navigate to the firmware or system information page to determine if the firmware version is V230525
    Affected if Firmware version is exactly V230525 (no other versions listed as affected)
  3. Verify upload.cgi endpoint exists
    Attempt to access http://[device-ip]/cgi-bin/upload.cgi via HTTP request - check if the endpoint responds or returns an error
    Affected if The upload.cgi endpoint is present and accessible on the device
  4. Confirm web interface is enabled
    Check if the device's HTTP/HTTPS web management interface is listening and reachable on the network
    Affected if Web interface is enabled and network-accessible
  5. Review for crash logs or unresponsive behavior
    Check system logs, kernel logs, or the device's status page for recent crash reports, restarts, or periods of unresponsiveness
    Affected if Device has experienced crashes, unexpected reboots, or periods of unresponsiveness

The device is affected if it is a WS-WN572HP3 access point running firmware V230525 with the web interface and upload.cgi endpoint 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

Restrict network access to the device's web interface, disable the upload functionality if possible until a firmware patch is available, and monitor for attempts targeting this endpoint.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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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-2025-44879 in production — separate from our analysis above.

No notes yet

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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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