CVE-2026-51727

Incorrect access control in the SystemSettings function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to retrieve administrative import and export endpoint information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

• Published Aug 31, 2026
• CVSS 5.3 medium
• 0.4% chance of exploitation in the next 30 days (EPSS)

CVE-2026-51727 at the National Vulnerability Database