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CVE-2026-66154

Quick assessment

Affected
SonicWall GMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SonicWALL Global Management System是美国SonicWALL公司的一款网络安全管理软件。 SonicWALL Global Management System 9.5.1及之前版本存在加密问题漏洞，该漏洞源于特权通信工作流中证书验证不足，在成功的中间人攻击和受控网络条件下，可能导致未经授权的更改。

AI Predicted 6.5 Difficulty: Hard EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
SonicWall GMS 9.5.1 and earlier versions affected
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I. Basic Information for CVE-2026-66154

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 (Build 9510.1044) and earlier versions which, under a successful MitM attack and controlled network conditions, could permit unauthorized changes.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SonicWALL Global Management System 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SonicWALL Global Management System是美国SonicWALL公司的一款网络安全管理软件。 SonicWALL Global Management System 9.5.1及之前版本存在加密问题漏洞，该漏洞源于特权通信工作流中证书验证不足，在成功的中间人攻击和受控网络条件下，可能导致未经授权的更改。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SonicWall GMS 9.5.1 and earlier versions -

II. Public POCs for CVE-2026-66154

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-66154

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Vendor Advisories for CVE-2026-66154 (1)

Same Patch Batch · SonicWall · 2026-08-11 · 8 CVEs total

CVE-2026-66145 SonicWALL Global Management System 代码注入漏洞
CVE-2026-66146 SonicWALL Global Management System 跨站脚本漏洞
CVE-2026-66150 SonicWALL Email Security 代码注入漏洞
CVE-2026-66147 SonicWALL Global Management System 代码注入漏洞
CVE-2026-66149 SonicWall Email Security 代码注入漏洞
CVE-2026-66148 SonicWALL Global Management System 代码注入漏洞
CVE-2026-18634 SonicWALL Global Management System 反序列化注入漏洞

IV. Related Vulnerabilities

Same product: GMS
Same vendor: SonicWall
Same weakness: CWE-295

V. Comments for CVE-2026-66154

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