7.5
High
CVE-2025-40601 A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service allows a remote unauthenticated attacker to…
Description
A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| SonicOS | Versions not published |
Other CVEs of SonicOS
The 75 CVEs of SonicOS →
CVE-2026-19703
A weak password hashing vulnerability has been identified on SonicOS virtual appliances, which in specific conditions…
5.1
Medium
CVE-2026-77709
A pre-authentication heap-based buffer overflow vulnerability has been identified in the SonicOS TACACS+…
5.9
Medium
CVE-2026-77708
A pre-authentication stack-based buffer overflow vulnerability has been identified in the SonicOS TACACS+ authentication…
5.9
Medium
CVE-2026-19868
SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
7.5
High