Tew 831dr FirmwareOperating system · Trendnet

CVE-2022-30329

CRITICAL · 9.8 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 →
100/100
Remediation priority · Urgent
Remotely reachable No privileges 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
An issue was found on TRENDnet TEW-831DR 1.0 601.130.1.1356 devices. An OS injection vulnerability exists within the web interface, allowing an attacker with valid credentials to execute arbitrary shell commands.

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 confidence

Authenticated OS command injection vulnerability in the web interface of TRENDnet TEW-831DR 1.0 routers (firmware 601.130.1.1356). An attacker with valid credentials can execute arbitrary shell commands on the underlying Linux operating system through unsanitized input in web interface parameters.

MitigationApply vendor firmware patch if available; otherwise isolate or replace the device since end-of-life routers often lack security updates. Restrict web management access to trusted networks and change compromised credentials immediately.

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
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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify router model
    Access the router web interface at its IP address and check the status page, or physically inspect the device label for model number TEW-831DR
    Affected if Device is a TRENDnet TEW-831DR unit
  2. Check firmware version
    Log into the router web interface and navigate to the status or system info page to view the installed firmware version, or check via telnet if enabled
    Affected if Firmware version is 1.0_601.130.1.1356
  3. Verify web management is enabled
    Attempt to access the router web interface over HTTP/HTTPS on the LAN or WAN interface
    Affected if Web interface is accessible and responds to login requests
  4. Confirm credential status
    Check if default administrator credentials are still in use (default is admin/admin), or review if credentials may have been compromised
    Affected if Default credentials are active or credentials may have been exposed
  5. Check for unexpected changes or suspicious activity
    Review router logs for unknown IP addresses accessing the admin interface, or check for new port forwards, DMZ settings, or administrative accounts
    Affected if Unauthorized access indicators are present in logs or configuration

You are affected if you have a TEW-831DR router running firmware version 1.0_601.130.1.1356 with an accessible web interface using default or compromised credentials.

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 patch if available; otherwise isolate or replace the device since end-of-life routers often lack security updates. Restrict web management access to trusted networks and change compromised credentials immediately.

Fix this in Tew 831dr Firmware Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
7.0 hours of engineering $1,240
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2022-30329 — 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-2022-30329 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

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