CVE-2014-7243
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 · uneditedLG Electronics Mobile WiFi router L-09C, L-03E, and L-04D does not restrict access to the web administration interface, which allows remote attackers to obtain sensitive information via unspecified vectors.
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 LG Electronics Mobile WiFi routers L-09C, L-03E, and L-04D fail to enforce access restrictions on their web administration interface. This authentication bypass allows remote attackers to access the admin panel without credentials and obtain sensitive device or user information.
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 dataall versionsall versionsall versionsCVSS 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
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- None
- Availability
- None
AV:N/AC:L/Au:N/C:P/I:N/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 checksWork through these to decide whether this CVE applies to you.
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Identify the router modelLocate the device label on the router or access the web interface and check the device information page to confirm the exact model number (L-04D, L-09C, or L-03E)Affected if The device is an L-04D, L-09C, or L-03E model - all versions of these models are affected by the authentication bypass vulnerability
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Confirm remote web administration is enabledCheck the router web interface settings under the Administration or Management section to see if remote access (WAN access) to the web interface is permitted. Alternatively, attempt to access the router's IP address from an external network or use an online port scanner to check if ports 80 or 443 are open on the WAN interfaceAffected if Remote web administration access is enabled and the router is accessible from the internet on HTTP/HTTPS ports
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Verify the authentication bypass is presentFrom an external network, navigate to common admin paths such as /admin, /admin.cgi, /setup.cgi, or /main.html on the router's WAN IP address without providing any credentialsAffected if The admin interface is accessible without authentication or any login prompt appears, confirming the authentication bypass vulnerability is exploitable
The environment is affected if the device is an L-04D, L-09C, or L-03E model and its web administration interface is accessible from a remote network without requiring authentication.
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 firmware updates if available; otherwise, disable remote web administration access or place the device behind a firewall with restricted access controls.
- Consultation4.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2014-7243 — 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-2014-7243 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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