CVE REMEDIATION GUIDE
CISA KEV · Known exploitedCriticalFixed-version data available

CVE-2025-23006 remediation guide

SonicWall SMA1000, sma8200v, sma6200 firmware

Pre-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.

Open CVE record
ProductSonicWall SMA1000, sma8200v, sma6200 firmware
Affected versions>= 12.4.3-02804 (platform-hotfix) and earlier versions., < 12.4.3-02854, <= 12.4.3-02804
Fixed versions12.4.3-02854
Priority basisImmediate · CVSS 9.8 · EPSS 23.4%
01

Identify the affected asset

Confirm whether SonicWall SMA1000, sma8200v, sma6200 firmware is installed, record the deployed version and installation path, and identify exposed interfaces.

  • Record the product name, package or appliance identifier, and installed version.
  • Identify internet-facing, administrative, API, and internal access paths.
  • Preserve the pre-change configuration and relevant service logs.
02

Validate the affected-version match

Compare the deployed version with the affected range: >= 12.4.3-02804 (platform-hotfix) and earlier versions., < 12.4.3-02854, <= 12.4.3-02804. Treat incomplete inventory results as unresolved.

03

Prioritize with independent signals

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog. Combine this signal with asset criticality, exposure, compensating controls, and business impact.

04

Apply supported remediation

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

05

Verify the result

Confirm the resulting version, service health, authentication and access paths, monitoring coverage, and relevant security logs.

  • Confirm the expected version and package state.
  • Run a functional health check for critical service paths.
  • Review authentication, error, application, and security monitoring logs.
  • Reassess exposure if the supported fix cannot be applied.

Operational boundary

This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.