PT-2026-29850 · Tp Link Systems+1 · Tapo C520Ws V2.6+1

CVE-2026-34122

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Published

2026-04-02

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Updated

2026-04-03

CVSS v4.0

7.1

High

VectorAV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions TP-Link Tapo C520WS version 2.6
Description A stack-based buffer overflow occurs in a configuration handling component due to insufficient input validation. An attacker can trigger this by providing an excessively long value for a vulnerable configuration parameter, leading to a Denial-of-Service (DoS) condition that causes the device to reboot or the service to crash.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-34122

Affected Products

Tapo C520Ws V2.6
Tapo C520Ws Firmware