Skip to main content
CVE-2025-40604VulnerabilityPublished

Download of Code Without Integrity Check Vulnerability in the SonicWall Email Security appliance loads root filesystem

Source GCVE Database

0
Compare
Authoritative record:CVE-2025-40604· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium.

Data as of 14 Nov 2026, 20:43 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.

What to do

AI-suggested

Since this is not a cloud service, remediation depends on vendor updates. Users should monitor SonicWall advisories for patches addressing this vulnerability and restrict access to VMDK or datastore resources to trusted personnel only.

Description

A vulnerability in SonicWall Email Security appliance allows loading of root filesystem images without verifying their signatures. This flaw enables attackers with access to VMDK or datastore to modify system files and achieve persistent arbitrary code execution. The vulnerability has a medium severity with a CVSS score of 6.5.

References

Community reviews

Loading reviews…