CVE & CISA-KEV Catalog

CVE-2025-40604

CRITICAL
9.8
CVSS v3
NVD

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.

CWE-494

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.17%probability of exploitation in 30 days
7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Embed a live status badge for CVE-2025-40604
CVE-2025-40604 severity badge

Markdown

[![CVE-2025-40604](https://tridentstack.com/cve/badge/CVE-2025-40604.svg)](https://tridentstack.com/cve/CVE-2025-40604)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-40604"><img src="https://tridentstack.com/cve/badge/CVE-2025-40604.svg" alt="CVE-2025-40604"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-12.