9.1
CRITICAL
CVE-2025-40599
SonicWall SMA Arbitrary File Upload Vulnerability
Description

An authenticated arbitrary file upload vulnerability exists in the SMA 100 series web management interface. A remote attacker with administrative privileges can exploit this flaw to upload arbitrary files to the system, potentially leading to remote code execution.

INFO

Published Date :

July 23, 2025, 2:15 p.m.

Last Modified :

July 23, 2025, 2:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

2.3
Affected Products

The following products are affected by CVE-2025-40599 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

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-2025-40599.

URL Resource
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0014

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).

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

The following list is the news that have been mention CVE-2025-40599 vulnerability anywhere in the article.

  • Help Net Security
Storm-2603 spotted deploying ransomware on exploited SharePoint servers

One of the groups that, in the past few weeks, has been exploiting vulnerabilities in on-prem SharePoint installation has been observed deploying Warlock ransomware, Microsoft shared on Wednesday. Fir ... Read more

Published Date: Jul 24, 2025 (2 days, 7 hours ago)
  • The Hacker News
Sophos and SonicWall Patch Critical RCE Flaws Affecting Firewalls and SMA 100 Devices

Jul 24, 2025Ravie LakshmananNetwork Security / Vulnerability Sophos and SonicWall have alerted users of critical security flaws in Sophos Firewall and Secure Mobile Access (SMA) 100 Series appliance ... Read more

Published Date: Jul 24, 2025 (2 days, 8 hours ago)
  • security.nl
Kritiek lek in SonicWall-gateway maakt remote code execution mogelijk

Een kritieke kwetsbaarheid in SMA 100-gateway van securitybedrijf SonicWall maakt remote code execution mogelijk. Het bedrijf heeft een update uitgebracht om het probleem te verhelpen. Daarnaast waars ... Read more

Published Date: Jul 24, 2025 (2 days, 11 hours ago)
  • BleepingComputer
SonicWall urges admins to patch critical RCE flaw in SMA 100 devices

SonicWall urges customers to patch SMA 100 series appliances against a critical authenticated arbitrary file upload vulnerability that can let attackers gain remote code execution. The security flaw ( ... Read more

Published Date: Jul 24, 2025 (2 days, 11 hours ago)
  • Help Net Security
Sonicwall fixes critical flaw in SMA appliances, urges customers to check for compromise (CVE-2025-40599)

Sonicwall is asking customers running specific Secure Mobile Access (SMA) 100 Series devices to patch a newly uncovered vulnerability (CVE-2025-40599) as soon as possible. “While there is currently no ... Read more

Published Date: Jul 24, 2025 (2 days, 12 hours ago)

The following table lists the changes that have been made to the CVE-2025-40599 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.

  • New CVE Received by [email protected]

    Jul. 23, 2025

    Action Type Old Value New Value
    Added Description An authenticated arbitrary file upload vulnerability exists in the SMA 100 series web management interface. A remote attacker with administrative privileges can exploit this flaw to upload arbitrary files to the system, potentially leading to remote code execution.
    Added CWE CWE-434
    Added Reference https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0014
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 23, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-40599 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-40599 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability