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 access to modify system files and gain persistent…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.19% probability · 9th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-494
- Affected
- sonicwall/email security appliance 5000 firmware · sonicwall/email security appliance 5050 firmware · sonicwall/email security appliance 7000 firmware · sonicwall/email security appliance 7050 firmware · sonicwall/email security appliance 9000 firmware
- Source
- PSIRT@sonicwall.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.