CVE-2026-15316
HighCVSS 7.1Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
Tapo C200 v5 has an improper input validation vulnerability in the configuration service for processing encrypted credential data. An attacker can send oversized ciphertext values that may trigger exception handling failures, causing the device to crash or restart.
Risk Assessment
An attacker can temporarily disrupt HTTPS management and monitoring functionality, resulting in a denial-of-service condition.
Recommendation
Apply firmware updates from the vendor if available, or restrict access to the device from trusted networks.
Original NVD description (English source)
An improper input validation vulnerability in the configuration service for processing encrypted credential data has been identified in Tapo C200 v5. An attacker can send oversized crypted ciphertext values that may trigger exception handling failures, due to insufficient validation, causing the affected device to crash or restart. Successful exploitation may temporarily disrupt HTTPS management and monitoring functionality, resulting in a denial-of-service (DoS) condition until the service recovers.