Weak Authentication in SonicOS - CVE-2026-0204
Published: April 29, 2026
Vulnerability identifier: #VU128470
CSH Severity: High
CVSS v4: 8.5 [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]
CVE-ID: CVE-2026-0204
CWE-ID: CWE-1390
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
SonicOS
How to mitigate CVE-2026-0204
Install security update from vendor's website.
SonicOS - addressed in versions 6.5.5.2-28n, 7.3.2-7010, 8.2.0-8009