CVE-2026-51698

Incorrect access control in the setUrlFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter browsing policies via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

  • Published Aug 31, 2026
  • CVSS 9.1 critical
  • 0.5% chance of exploitation in the next 30 days (EPSS)

CVE-2026-51698 at the National Vulnerability Database