CVE-2026-0206NVD

Vulnerability Summary

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

Severity Level

MEDIUM(4.9)

Published Date

Apr 29, 2026

Last Modified

May 5, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.21%Probability

Root Weakness (CWE)

CWE-121: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 4.9 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

ConfidentialityNone

IntegrityNone

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Sonicwall Sonicos < 6.5.5.2-28n
Sonicwall Sonicos >= 7.0.0.0 and <= 7.0.1-5169
Sonicwall Sonicos >= 7.1.1-7040 and < 7.3.2-7010
Sonicwall Sonicos >= 8.0.0-8035 and < 8.2.0-8009

Patched Versions

Sonicwall Sonicos 6.5.5.2-28n
Sonicwall Sonicos 7.3.2-7010
Sonicwall Sonicos 8.2.0-8009

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