9.1
CRITICAL CVSS 3.1
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 25, 2025, 3:29 p.m.

Remotely Exploit :

Yes !
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

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 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
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
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.

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.

  • BleepingComputer
SonicWall urges admins to disable SSLVPN amid rising attacks

SonicWall has warned customers to disable SSLVPN services due to ransomware gangs potentially exploiting an unknown security vulnerability in SonicWall Gen 7 firewalls to breach networks over the past ... Read more

Published Date: Aug 05, 2025 (2 weeks, 6 days ago)
  • Help Net Security
SonicWall firewalls targeted in ransomware attacks, possibly via zero-day

Attackers wielding the Akira ransomware and possibly a zero-day exploit have been spotted targeting SonicWall firewalls since July 15, 2025. “In the intrusions reviewed, multiple pre-ransomware intrus ... Read more

Published Date: Aug 04, 2025 (3 weeks ago)
  • BleepingComputer
SonicWall firewall devices hit in surge of Akira ransomware attacks

SonicWall firewall devices have been increasingly targeted since late July in a surge of Akira ransomware attacks, potentially exploiting a previously unknown security vulnerability, according to cybe ... Read more

Published Date: Aug 01, 2025 (3 weeks, 2 days ago)
  • Help Net Security
Week in review: Microsoft SharePoint servers under attack, landing your first cybersecurity job

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Microsoft pins on-prem SharePoint attacks on Chinese threat actors As Microsoft continues to update it ... Read more

Published Date: Jul 27, 2025 (4 weeks, 1 day ago)
  • 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 (1 month 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 (1 month 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 (1 month 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 (1 month 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 (1 month 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.
Vulnerability Scoring Details
Base CVSS Score: 9.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact