CVE-2023-32167
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 · uneditedD-Link D-View uploadMib Directory Traversal Arbitrary File Creation or Deletion Vulnerability. This vulnerability allows remote attackers to create and delete arbitrary files on affected installations of D-Link D-View. Authentication is required to exploit this vulnerability. The specific flaw exists within the uploadMib function. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create or delete files in the context of SYSTEM. . Was ZDI-CAN-19529.
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 · high confidenceA directory traversal vulnerability in D-Link D-View's uploadMib function allows authenticated remote attackers to create or delete arbitrary files on the system due to insufficient validation of user-supplied path parameters in file operations. This leads to SYSTEM-level code execution through file manipulation.
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< 2.0.1.89CVSS 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
- None
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/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 D-Link D-View installation and versionAccess the D-View web interface and navigate to the system information or about page to find the installed software version. Alternatively, check the application binaries or system dashboard for the version number.Affected if The installed version is D-View 8 and the version number is below 2.0.1.89
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Locate the uploadMib functionIn the D-View web interface, navigate to the MIB file management or network management section where MIB file uploads are handled. The vulnerable function is typically found under SNMP or network monitoring settings.Affected if The uploadMib function exists and is accessible in the web interface
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Verify authenticated access to the uploadMib endpointAttempt to access the uploadMib functionality with valid administrator credentials. The vulnerability requires an authenticated session to exploit.Affected if A valid administrator account can log in and access the MIB upload functionality
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Check file operation permissionsIf you have access, attempt to interact with the uploadMib function to observe if arbitrary file paths can be specified in the upload parameters. Look for parameters that accept file paths without validation.Affected if The uploadMib function accepts user-supplied path parameters without proper validation or sanitization
Your environment is affected if you are running D-Link D-View 8 version below 2.0.1.89 and the uploadMib function is accessible to authenticated users without proper path validation.
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.
dbcve · scoped2.0.1.89
If a vendor patch is unavailable, implement path validation and sanitization in the uploadMib function to restrict file operations to allowed directories; consider compensating controls like web application firewall rules or network segmentation.
D-View 8 version 2.0.1.89
- 1. Identify the current version of D-Link D-View 8 software installed
- 2. Navigate to the official D-Link support page or download portal
- 3. Download the D-View 8 version 2.0.1.89 or later firmware update
- 4. Follow D-Link's standard firmware upgrade procedure for D-View 8
- 5. After upgrade, verify the version number reflects 2.0.1.89 or higher
- 6. Confirm the uploadMib function is now properly validating user-supplied paths
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-32167 — 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-2023-32167 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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