CVE-2025-40604
No known exploitation. EPSS puts it in the 11th percentile. A vendor fix is available.
No public exploit knownFixVendor fixNo build named by the sources
e.g. OID 1.3.6.1.4.1.25623.1.0.155821
What to do
The vendor has published a fix. Version details are below where the sources state them.
- SonicWall Email SecurityAffected: 10.0.33.8195 and earlier versionsUpgrade to: not statedStated by: CVE record
- Sonicwall Email Security Appliance 5000 FirmwareAffected: ≤ 10.0.33.8195Upgrade to: after 10.0.33.8195Stated by: NVD
- Sonicwall Email Security Appliance 5050 FirmwareAffected: ≤ 10.0.33.8195Upgrade to: after 10.0.33.8195Stated by: NVD
- Sonicwall Email Security Appliance 7000 FirmwareAffected: ≤ 10.0.33.8195Upgrade to: after 10.0.33.8195Stated by: NVD
- Sonicwall Email Security Appliance 7050 FirmwareAffected: ≤ 10.0.33.8195Upgrade to: after 10.0.33.8195Stated by: NVD
Versions as the sources state them. 1 more product has version data. Full version matrix after sign-in
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 11th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 332 days, from the signal feeds we watch.
- Patch availablerecord updated
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- Email SecurityNetworking Infrastructure
- email security appliance 5000 firmwareNetworking Infrastructure
- email security appliance 5050 firmwareNetworking Infrastructure
- email security appliance 7000 firmwareNetworking Infrastructure
- email security appliance 7050 firmwareNetworking Infrastructure
- email security appliance 9000 firmwareNetworking Infrastructure
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Scored 9.8 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1195Supply Chain Compromisehigh confidence
Sources
References in the record
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