CVE-2026-0204: CWE-1390 Weak Authentication in SonicWall SonicOS
CVE-2026-0204 is a high-severity vulnerability in SonicWall SonicOS affecting multiple versions up to 8.1.0-8017. It involves a weakness in the access control mechanism that may allow certain management interface functions to be accessed under specific conditions. The vulnerability has a CVSS score of 8.0, indicating high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided by the vendor, and no known exploits are reported in the wild.
AI Analysis
Technical Summary
This vulnerability in SonicWall SonicOS (CVE-2026-0204) relates to weak authentication controls (CWE-1390 and CWE-306) in the product's management interface. Affected versions include 6.5.5.1-6n and older, 7.0.1-5169 and older, 7.3.1-7013 and older, and 8.1.0-8017 and older. The weakness may allow unauthorized or insufficiently authorized access to certain management functions under specific conditions. The CVSS 3.1 vector (AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) indicates the attack requires adjacent network access with low attack complexity, no privileges, and user interaction, but results in high confidentiality, integrity, and availability impacts.
Potential Impact
Successful exploitation could lead to unauthorized access to management interface functions, potentially compromising the confidentiality, integrity, and availability of the affected SonicOS device. This could allow attackers to manipulate device configurations or disrupt network operations. However, no known exploits are currently reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the management interface to trusted networks and users only, and monitor for unusual activity. Avoid exposing the management interface to untrusted networks. Follow SonicWall's official communications for updates on patches or mitigations.
CVE-2026-0204: CWE-1390 Weak Authentication in SonicWall SonicOS
Description
CVE-2026-0204 is a high-severity vulnerability in SonicWall SonicOS affecting multiple versions up to 8.1.0-8017. It involves a weakness in the access control mechanism that may allow certain management interface functions to be accessed under specific conditions. The vulnerability has a CVSS score of 8.0, indicating high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided by the vendor, and no known exploits are reported in the wild.
CVSS v3.1
Score 8.0high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in SonicWall SonicOS (CVE-2026-0204) relates to weak authentication controls (CWE-1390 and CWE-306) in the product's management interface. Affected versions include 6.5.5.1-6n and older, 7.0.1-5169 and older, 7.3.1-7013 and older, and 8.1.0-8017 and older. The weakness may allow unauthorized or insufficiently authorized access to certain management functions under specific conditions. The CVSS 3.1 vector (AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) indicates the attack requires adjacent network access with low attack complexity, no privileges, and user interaction, but results in high confidentiality, integrity, and availability impacts.
Potential Impact
Successful exploitation could lead to unauthorized access to management interface functions, potentially compromising the confidentiality, integrity, and availability of the affected SonicOS device. This could allow attackers to manipulate device configurations or disrupt network operations. However, no known exploits are currently reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the management interface to trusted networks and users only, and monitor for unusual activity. Avoid exposing the management interface to untrusted networks. Follow SonicWall's official communications for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sonicwall
- Date Reserved
- 2025-10-30T10:54:03.249Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2370ccbff5d8610306475
Added to database: 4/29/2026, 4:51:24 PM
Last enriched: 5/7/2026, 2:21:49 AM
Last updated: 6/13/2026, 11:57:34 AM
Views: 134
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