CVE-2026-0204

Analyzed Analyzed - Analysis Complete

SonicOS Access Control Bypass Vulnerability

Publication date: 2026-04-29

Last updated on: 2026-05-05

Assigner: SonicWALL, Inc.

Description

A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-29

Last Modified

2026-05-05

Generated

2026-07-06

AI Q&A

2026-04-30

EPSS Evaluated

2026-07-05

NVD

CVE-2026-0204

EUVD

EUVD-2026-26254

Affected Vendors & Products

Vendor	Product	Version / Range
sonicwall	sonicos	to 6.5.5.2-28n (exc)
sonicwall	sonicos	From 7.0.0.0 (inc) to 7.0.1-5169 (inc)
sonicwall	sonicos	From 7.1.1-7040 (inc) to 7.3.2-7010 (exc)
sonicwall	sonicos	From 8.0.0-8035 (inc) to 8.2.0-8009 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1390	The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Impact Analysis

The vulnerability can have a significant impact as it allows unauthorized access to management interface functions. According to the CVSS score of 8.0, it can lead to high confidentiality, integrity, and availability impacts, meaning attackers could potentially gain control over the device, manipulate configurations, or disrupt services.

Executive Summary

This vulnerability exists in the access control mechanism of SonicOS. It may allow certain management interface functions to be accessible under specific conditions, potentially bypassing intended restrictions.

Impact Analysis

Exploitation of this vulnerability could lead to unauthorized access to critical management functions of SonicOS. This may result in a complete compromise of confidentiality, integrity, and availability of the affected system.

Executive Summary

This vulnerability exists in the access control mechanism of SonicOS, the operating system used by SonicWall devices. It may allow certain management interface functions to be accessed under specific conditions that normally should restrict such access.

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