The Quarterly Threat Landscape Report is out. See what attackers are targeting now.Read report
A Stack-based buffer overflow in the SonicOS SessionID HTTP response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Sonicwall Sonicos | — | Update SonicWall SonicOS Gen7 NSsp to the latest versionUpdate SonicWall SonicOS Gen6 NSv to version 6.5.4.4-44V-21-1452 or laterUpdate SonicWall SonicOS Gen6 NSa/TZ/SOHO W/SM 92xx/94xx/96xx to version 6.5.4.9-92n or laterUpdate SonicWall SonicOS Gen7 NSv to the latest versionUpdate SonicWall SonicOS Gen7 TZ to the latest version | May 25, 2026 | Jan 5, 2022 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub