Description
A stack-based buffer overflow vulnerability exists in Tapo C520WS v2 in the ONVIF DeleteUsers service, due to insufficient boundary checks when handling multiple user deletion parameters. An authenticated attacker can send a crafted malicious request containing an excessive number of identifiers to overflow stack memory. Successful exploitation may result in a service crash or deadlock, leading to DoS affecting device management and monitoring functionality.
Problem types
CWE-121 Stack-based buffer overflow
Product status
Any version before 1.2.6 Build 260528
References
www.tp-link.com/us/support/download/tapo-c520ws/
www.tp-link.com/en/support/download/tapo-c520ws/
www.tp-link.com/us/support/faq/5120/