SonicWall SMA1000 vulnerabilities in active exploitation

Threat Research advisory Vulnerabilities SonicWall

On July 14, 2026, SonicWall disclosed two vulnerabilities in SonicWall SMA1000 appliances. Models 6210, 7210, and 8200v are affected.

CVE-2026-15409 is a critical (CVSS score of 10.0) unauthenticated server-side request forgery (SSRF) flaw that allows an attacker to force the appliance to make requests to unintended destinations. CVE-2026-15410 is a high-severity (CVSS score of 7.2) command injection vulnerability in the Appliance Management Console that can enable arbitrary operating system command execution by an administrator-level user.

SonicWall confirmed exploitation of the vulnerabilities in the wild. The U.S. Cybersecurity and Infrastructure Security Agency's (CISA) added both to its Known Exploited Vulnerabilities (KEV) catalog.

Recommended actions

Counter Threat Unit™ (CTU) researchers recommend that organizations identify vulnerable SonicWall appliances in their environments and upgrade as appropriate as soon as possible. The SonicWall advisory lists additional guidance for identifying and mitigating a potential compromise.

Sophos protections

SophosLabs continues to monitor the threat landscape for activity related to these vulnerabilities and will deliver detections and protections as available.

About the Author(s)

Sophos Counter Threat Unit Research Team

Sophos Counter Threat Unit™ (CTU) researchers are recognized authorities in the cybersecurity field, regularly contributing expert analysis to global media, publishing technical analyses for the security community, and presenting about emerging threats at leading security conferences. Backed by Sophos’ advanced security technologies and a broad network of intelligence contacts and partners, the CTU™ plays a critical role in identifying and tracking threat actors and analyzing anomalous activity, uncovering new attack techniques, threats, and major shifts in the threat landscape.