What’s Vulnerable › Vulnerabilities

CVE-2025-40604

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-20 · updated 2026-10-18
• Weakness: CWE-494

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.

Affected products

• SonicWall Email Security Appliance 5000 Firmware: through 10.0.33.8195
• SonicWall Email Security Appliance 5050 Firmware: through 10.0.33.8195
• SonicWall Email Security Appliance 7000 Firmware: through 10.0.33.8195
• SonicWall Email Security Appliance 7050 Firmware: through 10.0.33.8195
• SonicWall Email Security Appliance 9000 Firmware: through 10.0.33.8195

References

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0018

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