CVE-2021-38466
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 · uneditedInHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 do not perform sufficient input validation on client requests from the help page. This may allow an attacker to perform a reflected cross-site scripting attack, which could allow an attacker to run code on behalf of the client browser.
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 confidenceInHand Networks IR615 Router versions 2.3.0.r4724 and 2.3.0.r4870 contain a reflected cross-site scripting (XSS) vulnerability in the help page due to insufficient input validation on client requests. An attacker can craft malicious URLs containing JavaScript payloads that get reflected and executed in the victim's browser session.
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= 2.3.0.r4724= 2.3.0.r4870CVSS 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
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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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Check IR615 firmware versionAccess the router's web administration interface and navigate to System > Status or a similar firmware/version information page. Alternatively, check the firmware file name if you have administrative access to the device or its management system.Affected if The displayed firmware version is exactly 2.3.0.r4724 or 2.3.0.r4870
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Verify web interface is enabledConfirm that the router's HTTP/HTTPS web management interface is accessible from the network. Attempt to reach the router's IP address in a web browser.Affected if The web interface is accessible and responds with the InHand Networks login page or status page
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Confirm help page accessibilityNavigate to the help page within the router's web interface, typically found under a Help or Documentation section, or access it via common help page URLs such as /help, /help.html, or similar.Affected if The help page loads and accepts URL parameters (the vulnerability is in how the page handles input to these parameters)
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Identify vulnerable parameterInspect the help page URL when accessing different help topics or sections. Look for URL parameters that might reflect user input, such as ?topic=, ?page=, or similar query strings.Affected if The help page URL contains reflected parameters that are not properly validated (this would indicate potential XSS vulnerability)
The environment is affected if the IR615 router runs firmware version 2.3.0.r4724 or 2.3.0.r4870 and has its web interface with the help page accessible.
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 dataImplement proper input validation and output encoding on all parameters in the help page, or deploy a web application firewall (WAF) rule to filter XSS payloads. Contact InHand Networks for firmware updates that address this vulnerability.
- Consultation4.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2021-38466 — 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-2021-38466 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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