CVE-2025-40595
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 Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. By using an encoded URL, a remote unauthenticated attacker could potentially cause the appliance to make requests to unintended location.
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 confidenceThis is a Server-side request forgery (SSRF) vulnerability in the SMA1000 Appliance Work Place interface. A remote unauthenticated attacker can craft encoded URLs to trick the appliance into making requests to unintended locations, potentially accessing internal services, cloud metadata endpoints, or internal network resources.
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
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/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 SMA1000 appliance and versionAccess the appliance admin console or check system information page for the firmware version. Common paths: /cgi-bin/login?diag=INFO or check the dashboard for the SMA100 model and firmware version.Affected if The device is a SonicWall SMA100 series appliance and the firmware version falls within the affected but unpatched range.
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Verify Work Place interface is enabledCheck the SMA1000 admin panel under 'Work Place' or 'Secure Mobile Access' settings. Confirm the Work Place feature is actively configured or accessible.Affected if The Work Place interface is enabled and accessible to unauthenticated or low-privilege users.
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Inspect access logs for suspicious URL patternsReview SMA1000 access logs (typically under /var/log/ or via the admin GUI log viewer) for encoded or abnormal URL requests to the Work Place endpoint. Look for patterns like encoded IP addresses, unusual domains, or internal IP ranges in URL parameters.Affected if Logs contain requests with encoded URLs pointing to internal IPs (10.x.x.x, 192.168.x.x, 172.16-31.x.x), cloud metadata endpoints (169.254.169.254), or unexpected external domains.
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Check for unauthorized internal network connectionsReview connection logs or network flow data for outbound connections from the SMA1000 appliance initiated by Work Place requests to internal or private IP addresses that were not expected.Affected if The appliance has made outbound connections to internal network ranges or cloud metadata services as a result of Work Place interface requests.
A user is affected if they operate a SonicWall SMA1000 appliance with an unpatched firmware version and the Work Place interface is enabled and exposed, potentially evidenced by anomalous internal-destination connections in logs.
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 strict input validation and URL allowlisting on the Work Place interface to sanitize and restrict URL parameters. Additionally, block requests to internal IP ranges, private networks, and cloud metadata endpoints.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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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-2025-40595 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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- Version or environment caveats, and links to real fixes
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