SonicWall SMA100 Series Heap-Based Buffer Overflow Vulnerability Allowing Denial-of-Service or Potential Code Execution

Vulnerability

A heap-based buffer overflow vulnerability has been identified in the web interface of the SonicWall SMA100 series (including SMA 210, 410, and 500v) (versions 10.2.1.15-81sv and earlier). This vulnerability allows remote, unauthenticated attackers to cause a denial-of-service condition or potentially execute arbitrary code.

Impact

Exploitation of this vulnerability can lead to a denial-of-service condition or allow for arbitrary code execution on the affected system.

Remediation

Users are advised to upgrade to SonicWall SMA100 series versions 10.2.2.1-90sv and higher. Additionally, enabling multifactor authentication (MFA) and Web Application Firewall (WAF) on SMA100 can enhance security.

Added: Jul 23, 2025, 3:21 PM
Updated: Jul 23, 2025, 3:21 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
7.5
exploitability
7.4
remediation
7.7
relevance
0.3
threat
0.0
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.