CVE-2026-51756
Incorrect access control in the meshSlaveUpgfw function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to start firmware flashing using existing upgrade files via sending a crafted MQTT message to the cs_broker component.
- Published Sep 1, 2026
- CVSS 5.9 medium
- 0.4% chance of exploitation in the next 30 days (EPSS)