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I. Basic Information for CVE-2021-42911
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Format String vulnerability exists in DrayTek Vigor 2960 <= 1.5.1.3, DrayTek Vigor 3900 <= 1.5.1.3, and DrayTek Vigor 300B <= 1.5.1.3 in the mainfunction.cgi file via a crafted HTTP message containing malformed QUERY STRING, which could let a remote malicious user execute arbitrary code.
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
Draytek多款产品格式化字符串错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Draytek DrayTek Vigor3900等都是中国台湾居易科技(Draytek)公司的产品。DrayTek Vigor3900是一款宽带路由器/VPN网关设备。DrayTek Vigor2960等都是中国DrayTek公司的产品。DrayTek Vigor2960是一款双 WAN 宽带路由器/VPN 网关。DrayTek Vigor300B是一款运行在 Linux 系统上的 Quad-WAN 负载均衡宽带路由器。 DrayTek Vigor 2960 1.5.1.3版本及之前版本、DrayTek
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
-n/a n/a -
II. Public POCs for CVE-2021-42911
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III. Intelligence Information for CVE-2021-42911
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IV. Related Vulnerabilities
V. Comments for CVE-2021-42911

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