Weak Authentication in SonicOS - CVE-2026-0204

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Main Vulnerability Database Vulnerabilities #VU128470

Weak Authentication in SonicOS - CVE-2026-0204

Published: April 29, 2026


Vulnerability identifier: #VU128470
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-0204
CWE-ID: CWE-1390
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
SonicOS
Software vendor:
SonicWall

Description

The vulnerability allows a remote attacker to access certain management interface functions.

The vulnerability exists due to weak authentication in the access control mechanism when handling management interface access under specific conditions. A remote attacker can access certain management interface functions to access certain management interface functions.

User interaction is required.


Remediation

Install security update from vendor's website.

External links