CVE-2018-25108
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 · uneditedAn unauthenticated remote attacker can cause a DoS in the controller due to uncontrolled resource consumption.
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 confidenceUnauthenticated remote attackers can cause denial of service in a controller device due to uncontrolled resource consumption, likely through malformed or excessive requests that exhaust memory, CPU, or connection limits.
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
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 is a controllerIdentify the device type by checking system information, device documentation, or network role (e.g., API controller, industrial controller, network controller). Compare your device model against the affected product line if known.Affected if The device is a controller device and the vendor/product matches the CVE scope.
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Check network exposureReview firewall rules, ACLs, and network topology to determine if the controller management interface is reachable from untrusted networks or the internet.Affected if The controller management interface is directly accessible from untrusted networks without network segmentation.
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Verify authentication requirementsAttempt to access the controller API or management interface without credentials, or review authentication configuration to confirm all endpoints require valid authentication.Affected if Unauthenticated access to controller APIs or management interfaces is possible.
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Inspect resource limit configurationsReview controller configuration files, admin panels, or CLI settings for resource limits such as connection pooling, request timeouts, memory limits, and rate limiting rules.Affected if No resource limits, rate limiting, or connection throttling are configured on the controller.
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Monitor for resource exhaustion indicatorsCheck system logs, monitoring dashboards, or SNMP metrics for signs of abnormal memory usage, CPU spikes, or connection pool exhaustion that may indicate exploitation.Affected if The system shows unexplained high resource consumption or connection limit errors.
You are affected if your controller device is network-accessible without authentication and lacks configured resource limits or rate limiting controls, allowing unauthenticated attackers to exhaust resources via excessive requests.
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 rate limiting, resource quotas, and connection throttling on the controller; apply vendor patches if available; network segmentation to limit attack surface.
- Consultation4.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-25108 — 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-2018-25108 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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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