CVE-2023-36952: Totolink CP300+ Firmware

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

TOTOLINK CP300+ V5.2cu.7594_B20200910 was discovered to contain a stack overflow via the pingIp parameter in the function setDiagnosisCfg.

Affected products

• Totolink CP300+ Firmware: version 5.2cu.7594_b20200910 only

Published 2023-10-16. Last modified 2026-06-17.