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SonicWall · SMA1000 appliance

CVE-2025-40602

SonicWall SMA1000 Missing Authorization Vulnerability

CISA KEV record

CISA date added
2025-12-17
CISA due date
2025-12-24
Known ransomware use
Unknown

NVD risk context

6.6 MEDIUM

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

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Attack vector
Network
The vulnerable service can be reached remotely over a network.
Attack complexity
High
Exploitation depends on conditions outside the attacker’s direct control.
Privileges required
High
The attacker needs substantial privileges before exploiting the issue.
User interaction
None
No action by another user is required.

Description

SonicWall SMA1000 contains a missing authorization vulnerability that could allow for privilege escalation appliance management console (AMC) of affected devices.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable

NVD reference index

Vendor and remediation references

NVD has tagged these sources as vendor advisories, patches, mitigations, or release notes.

Other NVD references (1)

MITRE CWE context

CWE classification

CWE-862 Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

View official MITRE CWE details ↗
CWE-250 Execution with Unnecessary Privileges

The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

View official MITRE CWE details ↗

NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published
Dec 18, 2025, 11:15 AM UTC
When NVD first published this CVE record.
NVD last updated
Jun 17, 2026, 09:21 AM UTC
When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

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

View NVD record ↗

CISA notes

Check for signs of potential compromise on all internet accessible SonicWall SMA1000 instances after applying mitigations. For more information please see: https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019 ; https://nvd.nist.gov/vuln/detail/CVE-2025-40602