CVE-2026-51709

CVSS 9.8 (critical) · published 2026-08-31

Incorrect access control in the setWiFiBasicCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reconfigure primary Wi-Fi settings via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Weakness: CWE-284

Source: NVD CVE-2026-51709

References

• https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md
• https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md
• https://www.totolink.net/
• https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.