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WA300 5.2cu.7112_B20190227

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critical advisory

Totolink WA300 Buffer Overflow Vulnerability (CVE-2026-7719)

A buffer overflow vulnerability exists in Totolink WA300 version 5.2cu.7112_B20190227 within the loginauth function of the /cgi-bin/cstecgi.cgi file, specifically affecting the POST Request Handler component, triggerable via manipulation of the http_host argument, and remotely exploitable with a publicly available exploit.

WA300 5.2cu.7112_B20190227 buffer overflow remote code execution cve-2026-7719 totolink
2r 1t 1c
critical threat

Totolink WA300 Buffer Overflow Vulnerability in UploadCustomModule

A remote buffer overflow vulnerability exists in the UploadCustomModule function of the /cgi-bin/cstecgi.cgi file in the POST Request Handler component of Totolink WA300 version 5.2cu.7112_B20190227, which can be exploited by manipulating the File argument.

WA300 5.2cu.7112_B20190227 buffer-overflow remote-code-execution router
2r 1t 1c