Memory Buffer Bounds ErrorWeakness · CWE-119

CVE-2026-10181

HIGH · 8.8 CVSS v3.1 Published 2026-05-31
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 TRENDnet TEW-432BRP 3.10B20. The affected element is the function formSysCmd of the file /goform/formSysCmd. Performing a manipulation of the argument submit-url results in stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made public and could be used. The vendor explains: "This product has been EOL for 15 years (since 2009). As the item has been EOL for such a long time, we are not able to replicate or fix any vulnerabilities." This vulnerability only affects products that are no longer supported by the maintainer.

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 · high confidence

Stack-based buffer overflow in TRENDnet TEW-432BRP firmware's /goform/formSysCmd handler allows remote attackers to execute arbitrary code via manipulated submit-url argument. The overflow occurs in the formSysCmd function, which processes user-supplied input without proper bounds checking.

MitigationThis EOL device cannot receive vendor patches; replace with a supported router or implement strict network segmentation/firewalling to block external access to the vulnerable management interface.

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 device model
    Access the router web interface or check the device label/metadata to confirm the model is TRENDnet TEW-432BRP
    Affected if The device is a TRENDnet TEW-432BRP router
  2. Verify web interface accessibility
    Attempt to access the router's web interface on the default HTTP port (typically 80) at the LAN IP address, or check if port 80/443 is listening on the device
    Affected if The router web interface is reachable and responds to HTTP requests
  3. Confirm formSysCmd endpoint exists
    Send a GET or POST request to http://<router-ip>/goform/formSysCmd and observe if the endpoint responds (even with an error)
    Affected if The /goform/formSysCmd endpoint is present and responds to requests
  4. Check external network exposure
    Review firewall rules or NAT configuration to determine if the router's web interface (port 80/443) is exposed to the internet or untrusted networks
    Affected if The router web interface is accessible from external/untrusted networks

If the device is a TRENDnet TEW-432BRP with its web interface accessible, especially from external networks, it is likely vulnerable to CVE-2026-10181.

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

This EOL device cannot receive vendor patches; replace with a supported router or implement strict network segmentation/firewalling to block external access to the vulnerable management interface.

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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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-2026-10181 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
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  • Version or environment caveats, and links to real fixes
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