What’s Vulnerable › Vulnerabilities
CVE-2025-40596
- Severity: high (CVSS 7.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 45.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-07-23 · updated 2026-06-17
- Weakness: CWE-121
Description
A Stack-based buffer overflow vulnerability in the SMA100 series web interface allows remote, unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution.
Affected products
- SonicWall Sma 210 Firmware: before 10.2.2.1-90sv — fixed in 10.2.2.1-90sv
- SonicWall Sma 410 Firmware: before 10.2.2.1-90sv — fixed in 10.2.2.1-90sv
- SonicWall Sma 500V Firmware: before 10.2.2.1-90sv — fixed in 10.2.2.1-90sv
How to fix
Upgrade to a fixed version: SonicWall Sma 210 Firmware 10.2.2.1-90sv; SonicWall Sma 410 Firmware 10.2.2.1-90sv; SonicWall Sma 500V Firmware 10.2.2.1-90sv. Check the vendor advisory for mitigations.
References
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