EUVD-2026-62193

Tapo C200 v5 contains 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 tokens. Successf...

CVE-2026-15315

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...

PT-2026-78230

Name of the Vulnerable Software and Affected Versions Tapo C200 version v5 Description An improper authentication issue exists within the login authentication verification module. An attacker on the local network can exploit weaknesses in the validation of the challenge parameter to bypass...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through the ValidateHTTP01Challenge and ValidateTLSALPN01Challenge validation paths in builtin/logical/pki/acmechallenges.go. An attacker can make the ACME validator connect to loopback, link-local,...