Experts Warn of Widespread SonicWall VPN Compromise Impacting Over 100 Accounts

Cybersecurity company Huntress on Friday warned of "widespread compromise" of SonicWall SSL VPN devices to access multiple customer environments. "Threat actors are authenticating into multiple accounts rapidly across compromised devices," it said. "The speed and scale of these attacks imply that...

SonicWall Releases Advisory for Customers after Security Incident

SonicWall released a security advisory to assist their customers with protecting systems impacted by the MySonicWall cloud backup file incident. SonicWall’s investigation found that a malicious actor performed a series of brute force techniques against their MySonicWall.com web portal to gain...

SonicWall Urges Password Resets After Cloud Backup Breach Affecting Under 5% of Customers

SonicWall is urging customers to reset credentials after their firewall configuration backup files were exposed in a security breach impacting MySonicWall accounts. The company said it recently detected suspicious activity targeting the cloud backup service for firewalls, and that unknown threat...

Akira Ransomware Group Utilizing SonicWall Devices for Initial Access

Latest update – September 18, 2025 On September 17, 2025, SonicWall disclosed a security breach affecting all SonicWall customers with MySonicWall.com cloud backups enabled. The firm detected suspicious activity targeting MySonicWall.com, through which threat actors were able to access backup...

CVE-2021-20025

SonicWall Email Security Virtual Appliance version 10.0.9 and earlier versions contain a default username and a password that is used at initial setup. An attacker could exploit this transitional/temporary user account from the trusted domain to access the Virtual Appliance remotely only when the...

CVE-2021-20025

SonicWall Email Security Virtual Appliance version 10.0.9 and earlier versions contain a default username and a password that is used at initial setup. An attacker could exploit this transitional/temporary user account from the trusted domain to access the Virtual Appliance remotely only when the...

Insecure Direct Object Reference vulnerability in the mysonicwall.com add-user API

An insecure direct object reference vulnerability has been identified in the users/add-user API endpoint of mysonicwall.com. This could allow a normal authenticated mysonicwall user to manipulate API parameter and gain access to user group of tenant of any other mysonicwall user account. CVE: N/A...