CVE-2026-2330
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 attacker may access restricted filesystem areas on the device via the CROWN REST interface due to incomplete whitelist enforcement. Certain directories intended for internal testing were not covered by the whitelist and are accessible without authentication. An unauthenticated attacker could place a manipulated parameter file that becomes active after a reboot, allowing modification of critical device settings, including network configuration and application parameters.
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 CROWN REST interface has an incomplete whitelist enforcement that fails to protect certain internal testing directories. Unauthenticated attackers can access these restricted filesystem areas and place manipulated parameter files that become active after device reboot, allowing modification of critical device settings including network configuration and application parameters.
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
- Low
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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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Identify CROWN REST interface exposureDetermine if the CROWN REST interface is accessible on the network by checking listening services (e.g., netstat, nmap scan on common HTTP/HTTPS ports) or reviewing device network configurationAffected if The CROWN REST interface is exposed and accessible to network attackers
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Check whitelist configuration for testing directoriesReview the CROWN REST interface configuration files for whitelist rules that should restrict access to internal testing directories. Look for any incomplete or missing whitelist entriesAffected if The whitelist does not cover all internal testing directories, leaving them accessible
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Verify unauthenticated access to restricted pathsAttempt to access known internal testing directory paths via the REST interface without authentication (e.g., curl http(s)://<device>/internal/test/ or similar paths)Affected if Unauthenticated requests successfully reach restricted filesystem areas
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Inspect parameter file locations and permissionsExamine the filesystem for parameter file storage locations (typically in /config, /param, /settings, or similar directories mentioned in device documentation). Check file permissions and write access controlsAffected if Parameter files are stored in accessible locations with insufficient access controls
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Confirm reboot behavior for parameter filesReview device documentation or test in a safe environment to determine whether parameter files placed in accessible directories become active after device rebootAffected if Placing files in accessible directories modifies critical settings upon reboot
A user is affected if the CROWN REST interface is accessible and its whitelist configuration fails to protect internal testing directories, allowing unauthenticated modification of parameter files that activate on reboot.
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 comprehensive whitelist enforcement covering all internal testing directories, disable unauthenticated parameter file modification, and consider network segmentation to limit exposure of the REST interface.
- Consultation6.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-2330 — 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-2026-2330 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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