CVE-2026-7717highCWE-119CWE-120

CVE-2026-7717: high-severity vulnerability in Totolink WA300

Totolink WA300 POST Request cstecgi.cgi UploadCustomModule buffer overflow

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.7epss 0.5%
A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument File can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Totolink · WA300
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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