Cyber Resilience

CVE-2026-0206

Medium

Published: 29 April 2026

Published
29 April 2026
Modified
05 May 2026
KEV Added
—
Patch
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CVSS Score v3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0021 43.1th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-0206 is a medium-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Sonicwall Sonicos. Its CVSS base score is 4.9 (Medium).

Operationally, ranked at the 43.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A post-authentication Stack-based Buffer Overflow vulnerabilities in SonicOS allows a remote attacker to crash a firewall.

CWE(s)
CWE-121

Related Threats

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

Affected Assets

sonicwall
sonicos
≤ 6.5.5.2-28n · 7.0.0.0 — 7.0.1-5169 · 7.1.1-7040 — 7.3.2-7010

Mitigating Controls

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

References