CVE-2026-40062
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 · uneditedA path Traversal vulnerability exists in Ziostation2 v2.9.8.7 and earlier. A remote unauthenticated attacker may get sensitive information on the operating system.
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 confidenceA path traversal vulnerability in Ziostation2 v2.9.8.7 and earlier allows remote unauthenticated attackers to access sensitive operating system information via directory traversal sequences in unsanitized user input.
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<= 2.9.8.7CVSS 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
- None
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 Ziostation2 versionCheck the installed version of Ziostation2 (typically found in the application UI under 'About' or 'Version', or check the installer/dll version property)Affected if The installed version is 2.9.8.7 or earlier
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Confirm web interface exposureDetermine if the Ziostation2 web interface is exposed to network access (check firewall rules, reverse proxy config, or binding addresses in ziostation2.conf)Affected if The web interface is accessible from network locations where untrusted users can send requests
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Identify path-handling endpointsReview application logs or network traffic for requests to endpoints that accept file/path parameters (common patterns: /files/, /download/, /view?path=, /export?file=)Affected if Endpoints that accept user-supplied path values are present and accessible without authentication
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Test for directory traversal inputIf path-handling endpoints exist, attempt a benign test request with directory traversal sequences (such as ../../) in the path parameter to observe whether the application accepts or rejects such inputAffected if The application accepts and processes requests containing ../ sequences without rejecting them
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Review access logs for exploitation attemptsExamine Ziostation2 access logs and system logs for unusual patterns containing ../ sequences in request parameters or URI pathsAffected if Logs contain requests with directory traversal sequences that succeeded (unusual 200 responses for paths outside expected directories)
You are affected if Ziostation2 version is 2.9.8.7 or earlier AND the web interface is exposed to untrusted users who can submit path-related requests without 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.
From vendor dataUpgrade Ziostation2 to v2.9.8.8 or later, or implement strict input validation to reject directory traversal sequences (../) in user-supplied paths.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-40062 — 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-2026-40062 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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