CVE-2026-3439
MEDIUM
2026-03-04
[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 - 22:05 vuln.today
CVE Published
Mar 04, 2026 - 10:16 nvd
MEDIUM 4.9
Description
A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall.
Analysis
Authenticated users can trigger a stack-based buffer overflow in SonicOS certificate handling to cause denial of service against Sonicos firewalls. The vulnerability requires administrative privileges to exploit and results in firewall crashes rather than code execution. …
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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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External POC / Exploit Code
Leaving vuln.today
Destination URL
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