CVE-2026-0399

MEDIUM
2026-02-24 [email protected]
4.9
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 24, 2026 - 15:21 nvd
MEDIUM 4.9

Tags

Buffer Overflow Stack Overflow Sonicos

Description

Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint.

Analysis

SonicOS management interface suffers from stack-based buffer overflow flaws in an API endpoint that allow authenticated administrators to trigger denial of service conditions through improper input validation. The vulnerability affects Stack Overflow and Sonicos products but currently lacks an available patch, leaving deployed systems exposed to authenticated attack vectors with no mitigation path.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +24
POC: 0

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CVE-2026-0399 vulnerability details – vuln.today
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