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CVE-2026-19908— PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability

Quick assessment

Affected
PAX Technology Q80
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.

PAX Technology Q80是中国PAX Technology公司的一款物联网设备。 PAX Technology Q80 2.6.33.6690R版本存在授权问题漏洞，该漏洞源于XCB守护进程在允许访问功能前缺乏身份验证，可能导致网络邻近攻击者泄露敏感信息并修改配置，还可结合其他漏洞以root权限执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 0.22% · P13

Affected Version Matrix 1

VendorProduct Version RangeStatus
PAX Technology Q80 2.6.33.6690R affected
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I. Basic Information for CVE-2026-19908

Vulnerability Information
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Vulnerability Title
PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information and modify configuration on affected installations of PAX Technology Q80. Authentication is not required to exploit this vulnerability. The specific flaw exists within the XCB daemon. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-30584.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
PAX Technology Q80 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PAX Technology Q80是中国PAX Technology公司的一款物联网设备。 PAX Technology Q80 2.6.33.6690R版本存在授权问题漏洞，该漏洞源于XCB守护进程在允许访问功能前缺乏身份验证，可能导致网络邻近攻击者泄露敏感信息并修改配置，还可结合其他漏洞以root权限执行任意代码。
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
PAX Technology Q80 2.6.33.6690R -

II. Public POCs for CVE-2026-19908

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III. Intelligence Information for CVE-2026-19908

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Vendor Advisories for CVE-2026-19908 (1)

Same Patch Batch · PAX Technology · 2026-08-14 · 3 CVEs total

CVE-2026-19909 PAX Technology Q80 AIP File Parsing Link Following Remote Code Execution Vulnerability
CVE-2026-19910 PAX Technology Q80 Application Installer Signature Verification Bypass Remote Code Executi

IV. Related Vulnerabilities

Same product: Q80
Same vendor: PAX Technology
Same weakness: CWE-306

V. Comments for CVE-2026-19908

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