CVE-2025-23006 is a pre-authentication deserialization flaw in Fortinet's Appliance Management Console and Central Management Console, rated CVSS 9.8 critical. CISA has added this to the Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. The vendor disclosure includes language restricting exploitation to 'specific conditions' — treat this as irrelevant for prioritization purposes. Pre-authentication deserialization bugs in management interfaces are exploitable whenever the AMC/CMC is network-reachable; the 'specific conditions' qualifier almost always reflects legal liability mitigation rather than genuine exploit constraints, and historical Fortinet advisories show these qualifiers get refined or removed as proof-of-concepts emerge. Block port 443/tcp for management interfaces on any interface except dedicated management networks. Enforce IP allowlisting for all management console access. Deploy SSL inspection with deserialization anomaly detection on management traffic if your architecture supports it. The EPSS score of 0.23 is deceptively low — automated scoring models haven't fully incorporated CISA KEV data for this vulnerability. Do not rely on EPSS-driven ticketing to prioritize this patch. Override automated scoring and elevate any CISA KEV entry manually, regardless of EPSS value. Patch immediately on any internet-facing or laterally-accessible Fortinet management interface. There is no public evidence that exploitation requires non-default configurations — assume default deployments are vulnerable until proven otherwise.
CVE-2025-23006
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 · uneditedPre-authentication deserialization of untrusted data vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) and Central Management Console (CMC), which in specific conditions could potentially enable a remote unauthenticated attacker to execute arbitrary OS commands.
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 pre-authentication deserialization vulnerability exists in the SMA1000 Appliance Management Console (AMC) and Central Management Console (CMC). An unauthenticated remote attacker can send malicious serialized data that, when processed by the application, allows execution of arbitrary operating system commands on the affected appliance.
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< 12.4.3-02854< 12.4.3-02854< 12.4.3-02854< 12.4.3-02854< 12.4.3-02854<= 12.4.3-02804<= 12.4.3-02804<= 12.4.3-02804CVSS 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
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 the SMA100 device modelAccess the device console or web interface and note the exact model name (Sma8200v, Sma6200, Sma6210, Sma7200, Sma7210, Sra Ex6000, Sra Ex7000, or Sra Ex9000)Affected if The model is any of these eight affected models
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Check the installed firmware versionLog into the SMA device web interface, go to System > Status, or use the CLI command 'version' or 'show version' to retrieve the firmware build numberAffected if The firmware version is lower than 12.4.3-02854 (for Sma8200v, Sma6200, Sma6210, Sma7200, Sma7210) or lower than or equal to 12.4.3-02804 (for Sra Ex6000, Sra Ex7000, Sra Ex9000)
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Confirm AMC or CMC interface is accessibleVerify if the Appliance Management Console (AMC) or Central Management Console (CMC) web interface ports (typically 443 HTTPS) are reachable from network locations where untrusted users could originate requestsAffected if The AMC or CMC interface is exposed to untrusted networks without network access controls
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Look for unexpected processes or network connectionsFrom the device CLI, run 'process show' or check for unusual outbound connections using 'netstat -an' or similar network monitoring toolsAffected if Unexpected processes are running or suspicious outbound connections to unknown hosts exist
A user is affected if they run any of the eight listed SMA100 models with firmware versions below the specified thresholds AND have the AMC/CMC interface network-accessible.
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 · scoped12.4.3-02854
Apply the vendor-supplied patch or firmware update for SMA1000 to the latest supported version. If immediate patching is not possible, restrict network access to the AMC/CMC management interfaces to trusted IP addresses only.
Firmware version 12.4.3-02854 or later for all affected SMA100 series models
- Identify the exact model of SMA100 appliance in your environment (Sma8200v, Sma6200, Sma6210, Sma7200, Sma7210, Sra Ex6000, Sra Ex7000, or Sra Ex9000)
- Access the appliance management console (AMC) or central management console (CMC)
- Navigate to the firmware update or system maintenance section
- Download the firmware update from the official SonicWall support portal (support.sonicwall.com)
- Upload and apply firmware version 12.4.3-02854 or later
- Verify the upgrade was successful by checking the firmware version in the appliance dashboard
- Confirm the AMC/CMC services are operational post-upgrade
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,736.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-23006 — 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 sourcesCVE-2025-23006 is a pre-authentication deserialization flaw in Fortinet's Appliance Management Console and Central Management Console, rated CVSS 9.8 critical. CISA has added this to the Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. The vendor disclosure includes language restricting exploitation to 'specific conditions' — treat this as irrelevant for prioritization purposes. Pre-authentication deserialization bugs in management interfaces are exploitable whenever the AMC/CMC is network-reachable; the 'specific conditions' qualifier almost always reflects legal liability mitigation rather than genuine exploit constraints, and historical Fortinet advisories show these qualifiers get refined or removed as proof-of-concepts emerge. Block port 443/tcp for management interfaces on any interface except dedicated management networks. Enforce IP allowlisting for all management console access. Deploy SSL inspection with deserialization anomaly detection on management traffic if your architecture supports it. The EPSS score of 0.23 is deceptively low — automated scoring models haven't fully incorporated CISA KEV data for this vulnerability. Do not rely on EPSS-driven ticketing to prioritize this patch. Override automated scoring and elevate any CISA KEV entry manually, regardless of EPSS value. Patch immediately on any internet-facing or laterally-accessible Fortinet management interface. There is no public evidence that exploitation requires non-default configurations — assume default deployments are vulnerable until proven otherwise.
Practitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-23006 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
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data