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CVE-2025-40602: SonicWall SMA1000 Missing Authorization Vulnerability

• Severity: medium (CVSS 6.6 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2025-12-17
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-18 · updated 2026-06-17
• Weakness: CWE-250

Description

A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).

Affected products

• SonicWall Sma6200 Firmware: before 12.4.3-03245; from 12.5.0 before 12.5.0-02283 — fixed in 12.4.3-03245, 12.5.0-02283
• SonicWall Sma6210 Firmware: before 12.4.3-03245; from 12.5.0 before 12.5.0-02283 — fixed in 12.4.3-03245, 12.5.0-02283
• SonicWall Sma7200 Firmware: before 12.4.3-03245; from 12.5.0 before 12.5.0-02283 — fixed in 12.4.3-03245, 12.5.0-02283
• SonicWall Sma7210 Firmware: before 12.4.3-03245; from 12.5.0 before 12.5.0-02283 — fixed in 12.4.3-03245, 12.5.0-02283
• SonicWall Sma8200V: before 12.4.3-03245; from 12.5.0 before 12.5.0-02283 — fixed in 12.4.3-03245, 12.5.0-02283

How to fix

Upgrade to a fixed version: SonicWall Sma6200 Firmware 12.4.3-03245, 12.5.0-02283; SonicWall Sma6210 Firmware 12.4.3-03245, 12.5.0-02283; SonicWall Sma7200 Firmware 12.4.3-03245, 12.5.0-02283; SonicWall Sma7210 Firmware 12.4.3-03245, 12.5.0-02283; SonicWall Sma8200V 12.4.3-03245, 12.5.0-02283. Check the vendor advisory for mitigations.

References

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40602

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