CVE-2025-40596

HIGH
Published Jul 23, 2025 Modified Aug 7, 2025 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.

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CVSS v3.1 Score

7.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-121 CWE-121

Affected Products

Vendor Product
sonicwall sma_500v_firmware
sonicwall sma_500v
sonicwall sma_210_firmware
sonicwall sma_210
sonicwall sma_410_firmware
sonicwall sma_410

References

Frequently Asked Questions

What is CVE-2025-40596? +
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. It has a CVSS v3.1 base score of 7.3 (HIGH).
How severe is CVE-2025-40596? +
CVE-2025-40596 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-40596? +
CVE-2025-40596 affects products from sonicwall, specifically: sma_210, sma_210_firmware, sma_410, sma_410_firmware, sma_500v, sma_500v_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-40596? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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