CVE-2026-6241

Summary

An authenticated format string vulnerability is present in the ONVIF AddScopes in Tapo C520WS v2, where user-controlled input is improperly passed to formatting functions without adequate sanitization. An attacker can inject format specifiers into ONVIF scope parameters to manipulate memory handling behavior.

Successful exploitation may cause the ONVIF management service to crash, resulting in DoS condition that impacts normal device operation.

Affected Software

VendorProductVersion RangeStatus
TP-Link Systems Inc.Tapo C520WS v20 < 1.2.6 Build 260528affected

Weaknesses

  • CWE-134: CWE-134 Use of Externally-Controlled format string

ADP Enrichment

CISA ADP Vulnrichment

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

References