New Time-Sensitive SonicWall Security Vulnerability

Christopher Souza | CEO

SonicWall has disclosed multiple security vulnerabilities affecting certain firmware versions on its Gen 7 and Gen 8 firewalls. The most severe is rated High, with a score of 8.8 out of 10. Businesses using these devices should review SonicWall’s security advisory and have their IT team or provider arrange the appropriate firmware update as soon as possible.

What Your Business Should Do Now

Firmware is the software that runs your firewall. Ask the team responsible for your network to:

• Confirm whether your firewall’s model and installed firmware are affected.
• Review SonicWall’s release notes and supported upgrade path, and back up the firewall’s configuration before making changes.
• Schedule the update during an appropriate maintenance window, preferably outside normal business hours.
• Verify the installed firmware version and test internet access, VPN connections, and essential business services afterward.

Plan for a Temporary Service Interruption

Applying a firmware update requires restarting the firewall, which can temporarily interrupt internet access and VPN connections. Notify employees in advance, including remote staff and anyone working after hours. The expected downtime will depend on your device and network setup, so confirm the maintenance window with your IT provider and allow time after to check connectivity.

TSI Helps Protect Your Network

Technical Support International (TSI) has previously covered the SonicWall cloud backup breach, SSL-VPN security threats, and ransomware attacks involving Gen 7 firewalls. Across those advisories, we have emphasized timely updates, careful access management, and monitoring for suspicious activity. We know SonicWall, and our team is ready to support your company.

Our cybersecurity services include firewall management, vulnerability scanning, and cybersecurity assessments that help businesses identify weaknesses and plan improvements. We also offer network security monitoring and managed detection and response to help organizations detect suspicious activity and coordinate the steps needed to address it.

Contact TSI Today!

Our team of experts is here to help. If your business uses SonicWall firewalls and needs assistance assessing its security, contact TSI today to discuss your network and to plan the next steps.

About Technical Support International

TSI is 37-year old cybersecurity (MSSP) and IT support (MSP) company specializing in helping DIB organizations address their NIST 800-171 and CMMC compliance obligations. As a CMMC-AB Registered Provider Organization (RPO), TSI offers a complete NIST 800-171 and CMMC support solution to help guide our clients toward a successful certification audit and provide the assurance that they’re adhering to these expansive compliance requirements.