CVE-2019-12168
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 · uneditedFour-Faith Wireless Mobile Router F3x24 v1.0 devices allow remote code execution via the Command Shell (aka Administration > Commands) screen.
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 confidenceThe Four-Faith F3x24 router v1.0 contains a command injection vulnerability in its web-based administration interface under the Command Shell (Administration > Commands) feature. Authenticated attackers can execute arbitrary operating system commands on the device by injecting shell metacharacters into parameters passed to the underlying system call.
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= 1.0CVSS 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:H/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 the device modelAccess the router web interface or check physical device labeling to confirm it is a Four-Faith F3x24 router. Look for manufacturer branding and model number in the admin dashboard or device specifications.Affected if The device is not a Four-Faith F3x24 router, then this specific CVE does not apply.
-
Check the firmware versionLog into the web administration interface and navigate to Status or System Information page to find the firmware version. Alternatively, check the firmware file name or header if you have access to the firmware binary.Affected if The firmware version is 1.0, indicating the affected version. If the version is different or unknown, compare against the affected ranges.
-
Verify web interface accessibilityDetermine if the router web administration interface is accessible from the network. Check firewall rules, NAT configurations, or port forwarding settings that may expose the web interface (typically ports 80 or 443).Affected if The web administration interface is exposed to untrusted networks, which increases the attack surface for this vulnerability.
-
Confirm Command Shell feature presenceLog into the admin interface and navigate to Administration > Commands to locate the Command Shell feature. Verify if this feature is present and accessible within the menu structure.Affected if The Command Shell feature (Administration > Commands) is enabled and accessible, which is required for exploitation of this vulnerability.
-
Review access logs for suspicious activityCheck router logs, especially admin access logs and command history, for unexpected commands or shell metacharacters that may indicate exploitation attempts. Look for patterns like ; | & $ or backticks in command entries.Affected if Evidence of arbitrary command execution or shell metacharacters in logs suggests the device may have been compromised via this vulnerability.
A user is affected if they are running Four-Faith F3x24 router firmware version 1.0 with the Command Shell feature accessible in the web administration 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 dataRestrict administrative interface access to trusted networks only, verify if vendor firmware updates are available, and consider network segmentation or device replacement if no patch exists.
- Consultation6.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,760.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-12168 — 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-2019-12168 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