A Heap Overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service and leads to SonicOS crash. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Sonicwall Sonicos | — | Update SonicWall SonicOSv to version 6.5.4.v-21s-987 or laterUpdate SonicWall SonicOS Gen6 to version 6.5.4.7-83n or laterUpdate SonicWall SonicOS Gen6 to version 6.0.5.3-94o or laterUpdate SonicWall SonicOS Gen6 to version 6.5.1.12-1n or laterUpdate SonicWall SonicOS Gen5 to version 5.9.2.7-5o or laterUpdate SonicWall SonicOS Gen5 to version 5.9.2.13-7o or later | May 25, 2026 | Oct 12, 2020 |
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