CVE-2026-51752

Incorrect access control in the staticInfoSend function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger static information reporting to the configured master via sending a crafted MQTT message to the cs_broker component.

• Published Sep 1, 2026
• CVSS 5.3 medium
• 0.4% chance of exploitation in the next 30 days (EPSS)

CVE-2026-51752 at the National Vulnerability Database