Description

A stack-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within a configuration handling component due to insufficient input validation. An attacker can exploit this vulnerability by supplying an excessively long value for a vulnerable configuration parameter, resulting in a stack overflow. Successful exploitation results in Denial-of-Service (DoS) condition, leading to a service crash or device reboot, impacting availability.

INFO

Published Date :

2026-04-02T17:20:12.471Z

Last Modified :

2026-04-02T17:59:32.667Z

Source :

TPLink
AFFECTED PRODUCTS

The following products are affected by CVE-2026-34122 vulnerability.

Vendors Products
Tp-link
  • Tapo C520ws
  • Tapo C520ws Firmware
  • Tapo C520ws V2
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-34122.

URL Resource
https://www.tp-link.com/en/support/download/tapo-c520ws/#Firmware-Release-Notes cve-icon cve-icon
https://www.tp-link.com/us/support/download/tapo-c520ws/#Firmware-Release-Notes cve-icon cve-icon
https://www.tp-link.com/us/support/faq/5047/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact