CVE-2023-0638
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 has been found in TRENDnet TEW-811DRU 1.0.10.0 and classified as critical. This vulnerability affects unknown code of the component Web Interface. The manipulation leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-220018 is the identifier assigned to this vulnerability.
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 confidenceA command injection vulnerability exists in the Web Interface of TRENDnet TEW-811DRU firmware version 1.0.10.0. An attacker can inject arbitrary OS commands through unspecified vectors in the web interface, allowing remote code execution with the privileges of the web service.
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= 1.0.10.0CVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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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Identify the device modelLog into the router's web interface and check the device model name, typically found on the Status, System Info, or Device Information page. Confirm it is a TRENDnet TEW-811DRU.Affected if The device is not a TRENDnet TEW-811DRU, then this specific CVE does not apply.
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Check the firmware versionNavigate to the firmware or system information page in the web interface and locate the version number. Alternatively, check the footer or header of web pages for version display.Affected if The firmware version is exactly 1.0.10.0, indicating this specific vulnerable version is installed.
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Verify web interface accessibilityConfirm that the router's web management interface is reachable over the network by accessing the device's IP address in a browser.Affected if The web interface is accessible from untrusted networks, increasing exposure to remote exploitation.
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Check remote management settingsLocate the remote management or web access settings in the Administration or System settings section of the web interface. Determine if remote access from WAN/outside is enabled.Affected if Remote management is enabled, allowing potential attackers on external networks to reach the vulnerable web interface.
A user is affected only if they have a TRENDnet TEW-811DRU device running firmware version 1.0.10.0 with an accessible web interface.
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 the vendor-provided firmware patch when available. As an interim measure, restrict network access to the device's web interface to trusted IP addresses only and disable remote management if not required.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-0638 — 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-2023-0638 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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- 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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