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CVE-2025-40596

HIGHCVSS 7.3/10EPSS 56.06%

Last modified

CVE-2025-40596 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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.. EPSS estimates a 56.06% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.3/10

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

EPSS Probability
56.06%

98.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SonicwallSma 500v Firmware< 10.2.2.1-90sv
SonicwallSma 210 Firmware< 10.2.2.1-90sv
SonicwallSma 410 Firmware< 10.2.2.1-90sv

References

Timeline

Published
Last Modified
Status
Analyzed

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.
How severe is CVE-2025-40596?
CVE-2025-40596 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 56.06% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40596?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-40596?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST