CVE-2025-40602

MEDIUM6.6

CISA KEV

Published 2025-12-18 · Updated 2026-06-17 · Source PSIRT@sonicwall.com

Summary

CVE-2025-40602 is a medium-severity (CVSS 6.6) vulnerability in SonicWall SMA1000 appliance. CISA added it to the Known Exploited Vulnerabilities catalog on December 17, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by December 24, 2025. CISA does not currently list it as used in ransomware campaigns. SonicWall has 19 vulnerabilities in the KEV catalog, 13 of them linked to ransomware.

All 19 known-exploited SonicWall vulnerabilities →

Description

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

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-250CWE-862

CISA Known-Exploited Vulnerability

Product: SonicWall — SMA1000 appliance

Name: SonicWall SMA1000 Missing Authorization Vulnerability

Date added: 2025-12-17 · Due: 2025-12-24

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable

References

View on NVD

More exploited SonicWall vulnerabilities

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added 2026-09-02
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SMA1000 Appliances — SonicWall SMA1000 Appliances OS Command Injection Vulnerability
added 2026-09-02
CVE-2026-15409
RANSOMWARE
SMA1000 Appliances — SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
added 2026-07-14
CVE-2026-15410
RANSOMWARE
SMA1000 Appliances — SonicWall SMA1000 Appliances Code Injection Vulnerability
added 2026-07-14
CVE-2023-44221
SMA100 Appliances — SonicWall SMA100 Appliances OS Command Injection Vulnerability
added 2025-05-01
CVE-2021-20035
SMA100 Appliances — SonicWall SMA100 Appliances OS Command Injection Vulnerability
added 2025-04-16

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