CVE-2025-40604

Dec. 12, 2025, 3:44 p.m.

9.8
Critical

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.

Product(s) Impacted

Vendor Product Versions
Sonicwall
  • Email Security Appliance 5000 Firmware
  • Email Security Appliance 5000
  • Email Security Appliance 5050 Firmware
  • Email Security Appliance 5050
  • Email Security Appliance 7000 Firmware
  • Email Security Appliance 7000
  • Email Security Appliance 7050 Firmware
  • Email Security Appliance 7050
  • Email Security Appliance 9000 Firmware
  • Email Security Appliance 9000
  • *
  • -
  • *
  • -
  • *
  • -
  • *
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Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-494
Download of Code Without Integrity Check
The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o sonicwall email_security_appliance_5000_firmware / / / / / / / /
h sonicwall email_security_appliance_5000 - / / / / / / /
o sonicwall email_security_appliance_5050_firmware / / / / / / / /
h sonicwall email_security_appliance_5050 - / / / / / / /
o sonicwall email_security_appliance_7000_firmware / / / / / / / /
h sonicwall email_security_appliance_7000 - / / / / / / /
o sonicwall email_security_appliance_7050_firmware / / / / / / / /
h sonicwall email_security_appliance_7050 - / / / / / / /
o sonicwall email_security_appliance_9000_firmware / / / / / / / /
h sonicwall email_security_appliance_9000 - / / / / / / /

CVSS Score

9.8 / 10

CVSS Data - 3.1

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

    View Vector String

Timeline

Published: Nov. 20, 2025, 3:17 p.m.
Last Modified: Dec. 12, 2025, 3:44 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

PSIRT@sonicwall.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.