CVE-2024-4171
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 · uneditedA vulnerability classified as critical has been found in Tenda W30E 1.0/1.0.1.25. Affected is the function fromWizardHandle of the file /goform/WizardHandle. The manipulation of the argument PPW leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-261990 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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 confidenceStack-based buffer overflow vulnerability in Tenda W30E router firmware versions 1.0/1.0.1.25 in the fromWizardHandle function of /goform/WizardHandle. The PPW argument is not properly bounds-checked before being copied to a stack buffer, allowing remote attackers to overwrite return addresses and potentially achieve remote code execution.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 1.0.1.25CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Confirm device model is Tenda W30EAccess the router web interface or check the device label, or query the device via SNMP/UPnP to identify the model numberAffected if The device model is not Tenda W30E - this vulnerability only affects that specific model
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Check installed firmware versionLog into the router admin panel and navigate to System Status or Firmware Upgrade page to view the current firmware version. Alternatively, use telnet/SSH if enabled and check /etc/version or run 'ver' commandAffected if Firmware version equals 1.0.1.25 exactly - this is the only version listed as affected
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Verify WizardHandle endpoint exists and is accessibleAttempt to access http://router_ip/goform/WizardHandle or check if the endpoint responds. In a test environment, send a crafted request with a PPW parameterAffected if The /goform/WizardHandle endpoint exists and accepts PPW parameter without proper length validation - this is the vulnerable component
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Check WAN exposure of management interfaceReview router firewall settings to determine if WAN access to the web interface or /goform/* endpoints is permitted. Check port forwards or firewall rules exposing port 80/443 to WANAffected if WAN access to /goform/WizardHandle is allowed - this enables remote unauthenticated exploitation
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Inspect for signs of compromiseCheck for unexpected processes, new user accounts, or modified configurations. Review router logs for异常请求 patterns involving PPW parameter or repeated POST requests to /goform/WizardHandleAffected if Evidence of exploitation attempts or successful compromise is found - the overflow allows attackers to overwrite return addresses
A user is affected if they have a Tenda W30E router running firmware version 1.0.1.25 with the /goform/WizardHandle endpoint exposed, especially to WAN.
Generated from the published advisory. Verify against your own configuration.
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 dataApply vendor firmware patch when available. Until then, restrict network access to router management interfaces, disable WAN access to /goform/WizardHandle, and monitor for exploitation attempts. Consider network segmentation for affected devices.
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- Implementation4.0 h
- Testing6.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-4171 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-4171 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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