VULNERABILITY INTELLIGENCE
CVE-2026-6240
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-06-06
Last modified2026-07-23
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.
Weakness classification
- f23511db-6c3e-4e32-a477-6aa17d310630: CWE-121