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CVE-2026-21639

EPSS 0.08% · P24
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I. Basic Information for CVE-2026-21639

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote code execution (RCE) within the affected product. Affected Products: airMAX AC (Version 8.7.20 and earlier) airMAX M (Version 6.3.22 and earlier) airFiber AF60-XG (Version 1.2.2 and earlier) airFiber AF60 (Version 2.6.7 and earlier) Mitigation: Update your airMAX AC to Version 8.7.21 or later. Update your airMAX M to Version 6.3.24 or later. Update your airFiber AF60-XG to Version 1.2.3 or later. Update your airFiber AF60 to Version 2.6.8 or later.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ubiquiti多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ubiquiti airFiber等都是美国优比快（Ubiquiti）公司的产品。Ubiquiti airFiber是一款点对点无线平台。Ubiquiti airMAX AC是一个室外无线宽带设备。Ubiquiti airMAX airFiber AF60-XG是一个室外无线宽带设备。 Ubiquiti多款产品存在安全漏洞，该漏洞源于airMAX无线协议存在问题，可能导致远程代码执行。以下产品和版本受到影响：airMAX AC 8.7.20及之前版本、airMAX M 6.3.22及之前版本、airFib
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

VendorProductAffected VersionsCPESubscribe
Ubiquiti IncairMAX AC 0 ~ 8.7.21 -
Ubiquiti IncairMAX M 0 ~ 6.3.24 -
Ubiquiti IncairFiber AF60-XG 0 ~ 1.2.3 -
Ubiquiti IncairFiber AF60 0 ~ 2.6.8 -

II. Public POCs for CVE-2026-21639

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III. Intelligence Information for CVE-2026-21639

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IV. Related Vulnerabilities

Same vendor: Ubiquiti Inc

V. Comments for CVE-2026-21639

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