CVE-2026-15315 Unauthenticated Administrative Authentication Bypass via device_confirm Replay in TP-Link Tapo C120 and C200

Tapo C120 v1 and C200 v5 contain an improper authentication vulnerability within the login authentication verification module. An attacker on the local network can exploit weaknesses in challenge parameter validation to bypass normal authentication controls and obtain administrative session token...

CVE-2026-15315 Unauthenticated Administrative Authentication Bypass via device_confirm Replay in TP-Link Tapo C120 and C200

Tapo C120 v1 and C200 v5 contain an improper authentication vulnerability within the login authentication verification module. An attacker on the local network can exploit weaknesses in challenge parameter validation to bypass normal authentication controls and obtain administrative session token...

CVE-2026-15315

TP-Link Tapo C200 v5 has an authentication bypass in its login module: the device_confirm challenge parameter can be replayed to obtain administrative session tokens. An attacker on the local network gains full admin control, enabling privileged actions and DoS. A proof-of-concept was published o...