Sonicos
CVE-2026-0402
MEDIUM
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionCVE.org
A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall.
AnalysisAI
SonicOS firewalls are vulnerable to a post-authentication out-of-bounds read that permits authenticated remote attackers to trigger a denial-of-service condition by crashing the device. The medium-severity vulnerability requires high-level privileges and has no available patch, leaving affected deployments potentially exposed until remediation is released.
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Vulnerability AssessmentAI
| Risk Assessment | CVSS 4.9 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote attacker could exploit this vulnerability to compromise the affected system. |
| Remediation | Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …
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