CVE-2025-40596
High
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.
SeverityHigh
CVSS7.3
Exploit probability—
Product
Sonicwall Sma 500v Firmware
PublishedJul 23, 2025
First seenJul 23, 2025
Weakness typeCWE-121CWE-121
How to fix
Update
- sonicwall sma_500v_firmware10.2.2.1-90sv or later
- sonicwall sma_210_firmware10.2.2.1-90sv or later
- sonicwall sma_410_firmware10.2.2.1-90sv or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sonicwall sma_500v_firmware | v < 10.2.2.1-90sv | 10.2.2.1-90sv |
| sonicwall sma_210_firmware | v < 10.2.2.1-90sv | 10.2.2.1-90sv |
| sonicwall sma_410_firmware | v < 10.2.2.1-90sv | 10.2.2.1-90sv |
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