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CRITICAL · 9.8

CVE-2025-40604

Download of Code Without Integrity Check Vulnerability in the SonicWall Email Security appliance loads root filesystem images without verifying signatures, allowing attackers with VMDK or datastore ac...

Vulnerability Description

Download of Code Without Integrity Check Vulnerability in the SonicWall Email Security appliance loads root filesystem images without verifying signatures, allowing attackers with VMDK or datastore access to modify system files and gain persistent arbitrary code execution.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SonicwallEmail Security Appliance 5000 Firmware<= 10.0.33.8195
SonicwallEmail Security Appliance 5000-
SonicwallEmail Security Appliance 5050 Firmware<= 10.0.33.8195
SonicwallEmail Security Appliance 5050-
SonicwallEmail Security Appliance 7000 Firmware<= 10.0.33.8195
SonicwallEmail Security Appliance 7000-
SonicwallEmail Security Appliance 7050 Firmware<= 10.0.33.8195
SonicwallEmail Security Appliance 7050-
SonicwallEmail Security Appliance 9000 Firmware<= 10.0.33.8195
SonicwallEmail Security Appliance 9000-

Related Weaknesses (CWE)

CWE-494

References

FAQ

What is CVE-2025-40604?

CVE-2025-40604 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Download of Code Without Integrity Check Vulnerability in the SonicWall Email Security appliance loads root filesystem images without verifying signatures, allowing attackers with VMDK or datastore ac...

How severe is CVE-2025-40604?

CVE-2025-40604 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-40604?

Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Email Security Appliance 5000 Firmware, Sonicwall Email Security Appliance 5000, Sonicwall Email Security Appliance 5050 Firmware, Sonicwall Email Security Appliance 5050, Sonicwall Email Security Appliance 7000 Firmware.