SonicWall vulnerabilities
We track 112 vulnerabilities in SonicWall products across 60+ products. 109 are rated high or critical, and 24 have been exploited in real attacks. The most recent was published on November 6, 2026.
Latest SonicWall vulnerabilities
- 7.5 High severity
SonicOS: NULL Pointer Dereference
A Null Pointer Dereference vulnerability in the SonicOS SSLVPN Virtual office interface allows a remote, unauthenticated attacker to crash the firewall, potentially leading to a Denial-of-Service (DoS) condition.
- 7.2 High severity
NetExtender: Improper Link Resolution Before File Access
An Improper Link Resolution Before File Access ('Link Following') vulnerability in SonicWall NetExtender Windows (32 and 64 bit) client which allows an attacker to manipulate file paths.
- 7.2 High severity
NetExtender: Execution with Unnecessary Privileges
A local privilege escalation vulnerability in SonicWall NetExtender Windows (32 and 64 bit) client which allows an attacker to trigger an arbitrary file deletion.
- 7.2 High severity
NetExtender: Execution with Unnecessary Privileges
An improper privilege management vulnerability in the SonicWall NetExtender Windows (32 and 64 bit) client allows a low privileged attacker to modify configurations.
- 9.8 Critical severity
SonicWall SMA1000 Appliances Deserialization Exploited
Pre-authentication deserialization of untrusted data vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) and Central Management Console (CMC), which in specific conditions could potentially enable a remote unauthenticated attack
- 9.1 Critical severity
SonicOS: Authentication Bypass by Primary Weakness
SSL-VPN MFA Bypass in SonicWALL SSL-VPN can arise in specific cases due to the separate handling of UPN (User Principal Name) and SAM (Security Account Manager) account names when integrated with Microsoft Active Directory, allowing MFA to be configured indepe
- 9.8 Critical severity
SonicOS: Integer Overflow or Wraparound
An Integer-based buffer overflow vulnerability in the SonicOS via IPSec allows a remote attacker in specific conditions to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a specially crafted IKEv2 payload.
- 7.2 High severity
SonicOS: Use of Externally-Controlled Format String
A post-authentication format string vulnerability in SonicOS management allows a remote attacker to crash a firewall and potentially leads to code execution.
- 7.2 High severity
SonicOS: Stack-based Buffer Overflow
A post-authentication stack-based buffer overflow vulnerability in SonicOS management allows a remote attacker to crash a firewall and potentially leads to code execution.
- 7.8 High severity
SonicOS: Improper Privilege Management
A vulnerability in the Gen7 SonicOS Cloud platform NSv, allows a remote authenticated local low-privileged attacker to elevate privileges to `root` and potentially lead to code execution.
- 7.5 High severity
SonicOS: Server-Side Request Forgery
A Server-Side Request Forgery vulnerability in the SonicOS SSH management interface allows a remote attacker to establish a TCP connection to an IP address on any port when the user is logged in to the firewall.
- 9.8 Critical severity
SonicWall SonicOS SSLVPN Improper Authentication Exploited
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
- 9.8 Critical severity
SonicOS: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in the SonicOS SSLVPN authentication token generator that, in certain cases, can be predicted by an attacker potentially resulting in authentication bypass.
- 8.1 High severity
SMA100: Stack-based Buffer Overflow
A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Stack-based buffer overflow and potentially lead to code execution.
- 8.1 High severity
SMA100: Stack-based Buffer Overflow
A vulnerability in the SonicWall SMA100 SSLVPN web management interface allows remote attackers to cause Stack-based buffer overflow and potentially lead to code execution.
- 7.5 High severity
SMA100: Heap-based Buffer Overflow
Heap-based buffer overflow vulnerability in the SonicWall SMA100 SSLVPN due to the use of strcpy. This allows remote authenticated attackers to cause Heap-based buffer overflow and potentially lead to code execution.
- 7.5 High severity
SMA1000: Server-Side Request Forgery
A Server-Side Request Forgery (SSRF) vulnerability in SMA1000 appliance firmware versions 12.4.3-02676 and earlier allows a remote, unauthenticated attacker to cause the SMA1000 server-side application to make requests to an unintended IP address.
- 7.8 High severity
Connect Tunnel: Improper Link Resolution Before File Access
The Improper link resolution before file access ('Link Following') vulnerability in SonicWall Connect Tunnel (version 12.4.3.271 and earlier of Windows client) allows users with standard privileges to delete arbitrary folders and files, potentially leading to
- 9.8 Critical severity
SonicWall SonicOS Improper Access Control Exploited
An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially leading to unauthorized resource access and in specific conditions, causing the firewall to crash. This issue affects SonicWall Firewall Gen 5
- 8.8 High severity
NetExtender: Improper Control of Generation of Code
Vulnerability in SonicWall SMA100 NetExtender Windows (32 and 64-bit) client 10.2.339 and earlier versions allows an attacker to arbitrary code execution when processing an EPC Client update.
- 9.1 Critical severity
Apache HTTP Server Improper Escaping of Output Exploited
Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code
- 8.1 High severity
Red Hat Enterprise Linux 9: Concurrent Execution using Shared Resource with Improper Synchronization
A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate
- 7.5 High severity
SonicOS: Out-of-bounds Write
Stack-based buffer overflow vulnerability in the SonicOS HTTP server allows an authenticated remote attacker to cause Denial of Service (DoS) via sscanf function.
- 7.5 High severity
GMS: Use of Hard-coded Password
Use of hard-coded password in the GMS ECM endpoint leading to authentication bypass vulnerability. This issue affects GMS: 9.3.4 and earlier versions.
- 7.1 High severity
GMS: Improper Restriction of XML External Entity Reference
The XML document processed in the GMS ECM URL endpoint is vulnerable to XML external entity (XXE) injection, potentially resulting in the disclosure of sensitive information. This issue affects GMS: 9.3.4 and earlier versions.
- 8.3 High severity
SonicOS: Improper Neutralization of Input During Web Page Generation
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in the SonicOS SSLVPN portal allows a remote authenticated attacker as a firewall 'admin' user to store and execute arbitrary JavaScript code.
- 9.8 Critical severity
SonicOS: Improper Authentication
An improper authentication vulnerability has been identified in SonicWall SonicOS SSL-VPN feature, which in specific conditions could allow a remote attacker to bypass authentication. This issue affects only firmware version SonicOS 7.1.1-7040.
- 8.8 High severity
SMA100: Improper Authentication
Improper authentication in the SMA100 SSL-VPN virtual office portal allows a remote authenticated attacker to create an identical external domain user using accent characters, resulting in an MFA bypass.
- 7.2 High severity
SonicWall SMA100 Appliances OS Command Injection Exploited
Improper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administrative privilege to inject arbitrary commands as a 'nobody' user, potentially leading to OS Command Injection Vulnerabili
- 7.3 High severity
NetExtender: Uncontrolled Search Path Element
SonicWall NetExtender Windows (32-bit and 64-bit) client 10.2.336 and earlier versions have a DLL Search Order Hijacking vulnerability in the start-up DLL component. Successful exploitation via a local attacker could result in command execution in the target s
- 7.8 High severity
Directory Services Connector: Improper Privilege Management
A local privilege escalation vulnerability in SonicWall Directory Services Connector Windows MSI client 4.1.21 and earlier versions allows a local low-privileged user to gain system privileges through running the recovery feature.
- 8.8 High severity
SonicOS: Improper Privilege Management
SonicOS post-authentication Improper Privilege Management vulnerability in the SonicOS SSL VPN Tunnel allows users to elevate their privileges inside the tunnel.
- 7.8 High severity
NetExtender: Privilege Defined With Unsafe Actions
A flaw within the SonicWall NetExtender Pre-Logon feature enables an unauthorized user to gain access to the host Windows operating system with 'SYSTEM' level privileges, leading to a local privilege escalation (LPE) vulnerability.
- 7.8 High severity
NetExtender: Improper Privilege Management
A local privilege escalation vulnerability in SonicWall Net Extender MSI client for Windows 10.2.336 and earlier versions allows a local low-privileged user to gain system privileges through running repair functionality.
- 9.8 Critical severity
GMS: Improper Authentication
SonicWall GMS and Analytics CAS Web Services application use static values for authentication without proper checks leading to authentication bypass vulnerability. This issue affects GMS: 9.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versio
- 9.8 Critical severity
GMS: Unrestricted Upload of File with Dangerous Type
Vulnerability in SonicWall GMS and Analytics allows unauthenticated attacker to upload files to a restricted location not controlled by the attacker. This issue affects GMS: 9.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions.
- 7.5 High severity
GMS: Improper Neutralization of Special Elements used in an SQL Command
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in SonicWall GMS and Analytics allows an unauthenticated attacker to extract sensitive information from the application database. This issue affects GMS: 9.3.2-S
- 9.8 Critical severity
GMS: Use of Password Hash Instead of Password for Authentication
Use of password hash instead of password for authentication vulnerability in SonicWall GMS and Analytics allows Pass-the-Hash attacks. This issue affects GMS: 9.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions.
- 9.8 Critical severity
GMS: Use of a Broken or Risky Cryptographic Algorithm
SonicWall GMS and Analytics use outdated Tiny Encryption Algorithm (TEA) with a hardcoded key to encrypt sensitive data. This issue affects GMS: 9.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions.
- 8.8 High severity
GMS: Improper Limitation of a Pathname to a Restricted Directory
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in SonicWall GMS and Analytics allows an authenticated remote attacker to traverse the directory and extract arbitrary files using Zip Slip method to any location on t