CVE-2026-6242

An authenticated format string vulnerability exists in the ONVIF Subscribe service in Tapo C520WS v2 due to improper handling of externally supplied parameters within formatting functions. An attacker may inject crafted format strings into event subscription requests or notification generation path to disrupt normal service execution. Successful exploitation may cause the event notification service to terminate unexpectedly, resulting in the loss of real-time alarm functionality and disruption of event notifications.

CVSS

No CVSS.

References

Link	Resource
https://www.tp-link.com/en/support/download/tapo-c520ws/#Firmware-Release-Notes
https://www.tp-link.com/us/support/download/tapo-c520ws/#Firmware-Release-Notes
https://www.tp-link.com/us/support/faq/5120/

Configurations

No configuration.

History

06 Jun 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-06 00:16

Updated : 2026-06-17 11:00

NVD link : CVE-2026-6242

Mitre link : CVE-2026-6242

CVE.ORG link : CVE-2026-6242

JSON object : View

Products Affected

No product.

CWE

CWE-134

Use of Externally-Controlled Format String

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