CVE-2025-40604
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Sonicwall Email Security Appliance 5000 Firmware
PublishedNov 20, 2025
First seenNov 20, 2025
Weakness typeCWE-494CWE-494
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sonicwall email_security_appliance_5000_firmware | v ≤ 10.0.33.8195 | — |
| sonicwall email_security_appliance_5050_firmware | v ≤ 10.0.33.8195 | — |
| sonicwall email_security_appliance_7000_firmware | v ≤ 10.0.33.8195 | — |
| sonicwall email_security_appliance_7050_firmware | v ≤ 10.0.33.8195 | — |
| sonicwall email_security_appliance_9000_firmware | v ≤ 10.0.33.8195 | — |
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