CVE-2024-9140
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 · uneditedMoxa’s cellular routers, secure routers, and network security appliances are affected by a critical vulnerability, CVE-2024-9140. This vulnerability allows OS command injection due to improperly restricted commands, potentially enabling attackers to execute arbitrary code. This poses a significant risk to the system’s security and functionality.
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 confidenceCVE-2024-9140 is a critical OS command injection vulnerability in Moxa cellular routers, secure routers, and network security appliances. The vulnerability stems from improperly restricted commands, allowing attackers to inject and execute arbitrary operating system commands on the affected devices.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
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 checksWork through these to decide whether this CVE applies to you.
-
Identify Moxa device typeLocate the device label or check the web administrative interface for the product name/model. Confirm it is a Moxa cellular router, secure router, or network security appliance.Affected if The device is a Moxa cellular router, secure router, or network security appliance and the model falls within the affected product line.
-
Determine firmware versionAccess the device web console or CLI and navigate to System Status or Firmware Information. Record the installed firmware version string.Affected if The installed firmware version is older than the vendor-fixed version (compare against Moxa's official firmware release notes for CVE-2024-9140).
-
Verify administrative interface exposureCheck the device network configuration for the management web interface listening address. Determine if it is bound to WAN or accessible from untrusted networks.Affected if The administrative interface is reachable from external/untrusted networks without IP restriction.
-
Review for unauthorized processesIf CLI access is available, run commands such as 'ps' or check process logs for unexpected shell processes or commands that do not match normal device operation.Affected if Unexpected shell processes, cron jobs, or commands are running on the device.
-
Inspect for command injection artifactsCheck system logs, especially web server or CGI logs, for suspicious input patterns, malformed requests, or signs of attempted or successful command injection.Affected if Logs contain suspicious request patterns, shell metacharacters in parameters, or evidence of unauthorized command execution.
The environment is affected if it contains a Moxa cellular router, secure router, or network security appliance running firmware predating the vendor fix for CVE-2024-9140, particularly if the management interface is exposed to untrusted networks.
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-supplied firmware updates immediately to all affected Moxa devices. If patches are unavailable, implement network segmentation and restrict administrative access to trusted IP addresses to reduce attack surface.
- Consultation8.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA8.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $12,352.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-9140 — 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-2024-9140 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
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.
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.
- 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