CVE-2026-15315

Summary

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 tokens.

Successful exploitation may allow an attacker to subsequently execute privileged management actions, enable unauthorized administrative access and temporary disruption of device services, resulting in a denial-of-service (DoS) condition.

Affected Software

VendorProductVersion RangeStatus
TP-Link Systems Inc.Tapo C200 v50 < V5_1.4.6 Build 260709 Rel.27675naffected
TP-Link Systems IncTapo C120 v10 < 1.9.3 Build 260521affected

Weaknesses

  • CWE-287: CWE-287 Improper Authentication

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References