CVE-2018-8869
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 · uneditedIn Lantech IDS 2102 2.0 and prior, nearly all input fields allow for arbitrary input on the device. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
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 Lantech IDS 2102 versions 2.0 and prior contains a critical input validation vulnerability where nearly all input fields on the device accept arbitrary input without proper sanitization or bounds checking. This allows unauthenticated remote attackers to inject potentially malicious data, likely enabling command injection or buffer overflow exploitation, given the CVSS metrics indicate complete compromise of confidentiality, integrity, and availability with no privileges or user interaction required.
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 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
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/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.
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Confirm device modelAccess the device web interface or check the physical device label to verify the model is Lantech IDS 2102Affected if The device model is Lantech IDS 2102 and the firmware is version 2.0 or prior
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Check firmware versionNavigate to the device web interface settings page (typically under System, Status, or About) to view the installed firmware version, or query via SNMP if availableAffected if The firmware version displayed is 2.0 or any version prior to 2.0, or if the version cannot be determined but the device is confirmed as IDS 2102 (since all versions are affected)
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Verify management interface accessibilityDetermine if the device web management interface is reachable over the network by accessing the device IP via HTTP/HTTPS, or scan the network for open HTTP/HTTPS ports on the deviceAffected if The device web interface is accessible from a network where unauthenticated attackers could reach it
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Identify exposed input fieldsLog into the device web interface and observe all input fields (login forms, configuration fields, search boxes, or any parameter input areas)Affected if The device has a web interface with any input fields that accept user data, since the vulnerability affects nearly all input fields without requiring authentication
If the device is a Lantech IDS 2102 running firmware version 2.0 or prior with its web management interface accessible over the network, the environment is affected by this vulnerability.
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 dataImplement strict input validation and sanitization across all user-controllable fields in the device firmware; if no patch is available from the vendor, consider network segmentation or replacement of the affected device.
- Consultation8.0 h
- Implementation40.0 h
- Testing16.0 h
- Review / QA8.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-8869 — 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-2018-8869 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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