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CVSS 9.8 · Critical
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I. Basic Information for CVE-2026-7719
Vulnerability Information

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Vulnerability Title
Totolink WA300 POST Request cstecgi.cgi loginauth buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in Totolink WA300 5.2cu.7112_B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument http_host results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
TotolinkWA300 5.2cu.7112_B20190227 cpe:2.3:o:totolink:wa300_firmware:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-7719
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III. Intelligence Information for CVE-2026-7719
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IV. Related Vulnerabilities
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