🛡️ CVE-2026-34122
🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-121 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-121
Public Exploit ✅ No
Source NVD
Published 2026-04-02
Updated 2026-06-02
Modified 2026-04-06
Fix URL N/A

Affected Packages

Software From version Fixed in
tapo-c520ws-firmware — 1.2.4

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