CVE-2025-40601 - Vulnerability Details - OpenCVE

A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0005.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0016

History

Thu, 20 Nov 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 20 Nov 2025 12:45:00 +0000

Type	Values Removed	Values Added
Description		A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.
Weaknesses		CWE-121
References		https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0016

MITRE

Status: PUBLISHED

Assigner: sonicwall

Published: 2025-11-20T12:26:54.465Z

Updated: 2025-11-20T18:31:18.802Z

Reserved: 2025-04-16T08:34:51.361Z

Link: CVE-2025-40601

Vulnrichment

Updated: 2025-11-20T18:31:13.901Z

NVD

Status : Awaiting Analysis

Published: 2025-11-20T15:17:28.570

Modified: 2025-11-21T15:13:59.083

Link: CVE-2025-40601

Redhat

No data.

OpenCVE Enrichment

No data.

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