Cyber Resilience

CVE-2025-40596

High

Published: 23 July 2025

Published
23 July 2025
Modified
07 August 2025
KEV Added
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Patch
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CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0052 67.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-40596 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Sonicwall Sma 500V Firmware. Its CVSS base score is 7.3 (High).

Operationally, ranked in the top 32.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-121

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

sonicwall
sma 500v firmware
≤ 10.2.2.1-90sv
sonicwall
sma 210 firmware
≤ 10.2.2.1-90sv
sonicwall
sma 410 firmware
≤ 10.2.2.1-90sv

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References