Known Exploited Vulnerability
6.6
MEDIUM CVSS 3.1
CVE-2025-40602
SonicWall SMA1000 Missing Authorization Vulnerability - [Actively Exploited]
Description

A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).

INFO

Published Date :

Dec. 18, 2025, 11:15 a.m.

Last Modified :

Dec. 18, 2025, 3:07 p.m.

Remotely Exploit :

Yes !
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

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

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

Affected Products

The following products are affected by CVE-2025-40602 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Apply updates to the SonicWall SMA1000 appliance to address authorization flaws.
  • Apply the latest firmware update from SonicWall.
  • Restrict access to the AMC.
  • Review user privileges carefully.
  • Enable multi-factor authentication.
Public PoC/Exploit Available at Github

CVE-2025-40602 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-40602.

URL Resource
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40602
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-40602 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Detection for CVE-2025-40602

kev sonicwall

Updated: 15 hours, 44 minutes ago
2 stars 1 fork 1 watcher
Born at : Dec. 18, 2025, 7:32 a.m. This repo has been linked 2 different CVEs too.

None

Python

Updated: 16 hours, 55 minutes ago
0 stars 0 fork 0 watcher
Born at : Dec. 3, 2025, 12:31 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-40602 vulnerability anywhere in the article.

  • The Register
Another bad week for SonicWall as SMA 1000 zero-day under active exploit

SonicWall has warned customers of a zero-day flaw in its SMA 1000 remote-access appliance that's being actively exploited, potentially allowing attackers to escalate privileges and take over boxes. Th ... Read more

Published Date: Dec 18, 2025 (10 hours, 53 minutes ago)

The following table lists the changes that have been made to the CVE-2025-40602 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Dec. 18, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40602
  • New CVE Received by [email protected]

    Dec. 18, 2025

    Action Type Old Value New Value
    Added Description A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).
    Added CWE CWE-250
    Added CWE CWE-862
    Added Reference https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.6
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact