CVE-2026-0402
Medium
Published: 24 February 2026
Published
24 February 2026
Modified
26 February 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
0.0026
49.7th percentile
Risk Priority
10
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2026-0402 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Sonicwall Sonicos. Its CVSS base score is 4.9 (Medium).
Operationally, ranked at the 49.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-8529
Vulnerability details
A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
sonicwall
sonicos
≤ 7.3.2-7010 · ≤ 8.2.0-8009
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.