Tew 831dr FirmwareOperating system · Trendnet

CVE-2022-30328

MEDIUM · 6.5 CVSS v3.1 Published 2022-06-16
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
72/100
Remediation priority · Elevated
Remotely reachable No privileges

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
An issue was found on TRENDnet TEW-831DR 1.0 601.130.1.1356 devices. The username and password setup for the web interface does not require entering the existing password. A malicious user can change the username and password of the interface.

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

The TRENDnet TEW-831DR 1.0 firmware lacks authentication validation in its password change functionality. The web interface allows modification of the administrative username and password without requiring the current credentials, enabling an unauthenticated or low-privilege attacker with adjacent network access to seize full administrative control of the device.

MitigationApply vendor firmware updates if available; otherwise, restrict network access to the device's management interface to trusted users only.

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
Tew 831dr FirmwareOperating system
Affected:= 1.0_601.130.1.1356

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
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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 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 to confirm the model is TRENDnet TEW-831DR
    Affected if Device model is not TRENDnet TEW-831DR, then not affected
  2. Check firmware version
    Log into the router web interface and navigate to the Status or System section to view the firmware version; or use Nmap or curl to probe the web interface for version information
    Affected if Firmware version is not 1.0_601.130.1.1356, then not affected
  3. Verify web management interface is active
    Attempt to access the router web interface on the typical HTTP ports (80/443) using the device IP address
    Affected if No web interface is accessible, then not affected (but this also means the device cannot be managed)
  4. Assess network exposure
    Review firewall rules or network segmentation to determine if the router management interface is reachable from untrusted or adjacent network segments
    Affected if Management interface is exposed to untrusted networks, then the device is at risk from this vulnerability

Device is affected if it is a TRENDnet TEW-831DR running firmware version 1.0_601.130.1.1356 and its web management interface is accessible from untrusted network segments

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

Apply vendor firmware updates if available; otherwise, restrict network access to the device's management interface to trusted users only.

Fix this in Tew 831dr Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA3.0 h
19.0 hours of engineering $3,380
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2022-30328 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-30328 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
  • No spam, self-promotion, credentials, or personal data