What is the CVSS score of CVE-2025-40605?

CVE-2025-40605 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of Email Security Appliance 5000 Firmware are affected by CVE-2025-40605?

Organizations using A Path Traversal vulnerability should be aware of moderate risk from CVE-2025-40605 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-40605?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Email Security Appliance 5000 Firmware CVE-2025-40605

MEDIUM

Relative Path Traversal (CWE-23)

2025-11-20 PSIRT@sonicwall.com

Path Traversal Email Security Appliance 5000 Firmware Email Security Appliance 5050 Firmware Email Security Appliance 7000 Firmware Email Security Appliance 7050 Firmware Email Security Appliance 9000 Firmware

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

CVE Published

Nov 20, 2025 - 15:17 nvd

MEDIUM 5.3

DescriptionCVE.org

A Path Traversal vulnerability has been identified in the Email Security appliance allows an attacker to manipulate file system paths by injecting crafted directory-traversal sequences (such as ../) and may access files and directories outside the intended restricted path.

AnalysisAI

A Path Traversal vulnerability has been identified in the Email Security appliance allows an attacker to manipulate file system paths by injecting crafted directory-traversal sequences (such as ../). Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-23. A Path Traversal vulnerability has been identified in the Email Security appliance allows an attacker to manipulate file system paths by injecting crafted directory-traversal sequences (such as ../) and may access files and directories outside the intended restricted path. Affected products include: 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.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.