CVE-2026-6242

Published: Giu 06, 2026 Last Modified: Giu 06, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,8
Source: f23511db-6c3e-4e32-a477-6aa17d310630
Attack Vector: adjacent
Attack Complexity: low
Privileges Required: high
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

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.

134

Use of Externally-Controlled Format String

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability
Potential Impacts:
Read Memory Modify Memory Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: Not Language-Specific, C, C++, Perl
Likelihood of Exploit: High
View CWE Details
https://www.tp-link.com/en/support/download/tapo-c520ws/#Fi…
https://www.tp-link.com/en/support/download/tapo-c520ws/#Firmware-Release-Notes
https://www.tp-link.com/us/support/download/tapo-c520ws/#Fi…
https://www.tp-link.com/us/support/download/tapo-c520ws/#Firmware-Release-Notes
https://www.tp-link.com/us/support/faq/5120/
https://www.tp-link.com/us/support/faq/5120/