Access Control Flaw in SonicOS Management Interface
CVE-2026-0204

8HIGH

Key Information:

Vendor

Sonicwall
Status
Sonicos
Vendor
CVE Published:
29 April 2026

What is CVE-2026-0204?

A flaw in the access control mechanism of SonicOS could inadvertently expose certain management interface functions, potentially allowing unauthorized users to access restricted operations under specific conditions. This vulnerability necessitates prompt assessment and mitigation to safeguard systems relying on SonicOS.

Affected Version(s)

SonicOS Linux 6.5.5.1-6n and older versions

SonicOS Linux 7.0.1-5169 and older versions

SonicOS Linux 7.3.1-7013 and older versions

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-202...
vendor-advisory

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.