CVE-2025-23007
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 vulnerability in the NetExtender Windows client log export function allows unauthorized access to sensitive Windows system files, potentially leading to privilege escalation.
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 exists in the NetExtender Windows client log export function. The client fails to properly sanitize file paths during log export, allowing a local attacker to access sensitive Windows system files outside the intended log directory. This unauthorized file access can be leveraged for privilege escalation.
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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:L/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 if NetExtender Windows client is installedCheck for NetExtender installation by looking in typical installation directories such as C:\Program Files\SonicWall\NetExtender or C:\Program Files (x86)\SonicWall\NetExtender, or use Add/Remove Programs to list installed software.Affected if NetExtender Windows client is present on the system
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Determine the installed NetExtender versionOpen the NetExtender application and navigate to Help > About, or locate the NetExtender executable (typically nxgui.exe or nextextender.exe) and check its file properties for the version information.Affected if The installed version is unknown or falls within a vulnerable version range for this path traversal flaw
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Verify if the log export function is accessibleLaunch NetExtender and locate the log export or log management feature, typically found under Settings, Diagnostics, or a Logs menu option.Affected if The log export function is available and can be invoked by the current user
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Inspect the log export destination directoryAfter initiating a log export, examine the configured or default export directory (commonly found under %USERPROFILE%\Documents\NetExtender\Logs or %APPDATA%\SonicWall\NetExtender\Logs) for any unexpected or system files present.Affected if Files outside the intended NetExtender log directory appear in the export location or logs show access to paths outside the designated directory
A user is affected if the NetExtender Windows client is installed and the log export function allows file path traversal outside the designated log directory, potentially exposing system files.
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 dataApply the vendor-supplied patch or update NetExtender to the latest version that addresses this vulnerability. Verify that the log export function properly validates and restricts file paths to prevent directory traversal.
- Consultation4.0 h
- Implementation2.0 h
- Testing6.0 h
- Review / QA3.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-23007 — 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-2025-23007 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
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