Unrated severityNVD Advisory· Published Aug 31, 2026

CVE-2026-51687

Description

Incorrect access control in the setWiFiEasyGuestCf function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to create or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Affected products

Shengwu00/CVE Vendor Coordinationreferences
Totolink/T6llm-fuzzy
Range: 4.1.5cu.748_B20211015

Patches

Vulnerability mechanics

References

github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.mdnvd
github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.mdnvd
www.totolink.netnvd
www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.htmlnvd

News mentions

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