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I. Basic Information for CVE-2026-34122
Vulnerability Information

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Vulnerability Title
Stack-based Buffer Overflow Leading to Denial of Service in TP-Link Tapo C520WS
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
TP-Link Tapo C520WS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Tapo C520WS是中国普联(TP-Link)公司的一个WiFi摄像头。 TP-Link Tapo C520WS v2.6版本存在安全漏洞,该漏洞源于配置处理组件输入验证不足,可能导致栈缓冲区溢出,进而引发拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
TP-Link Systems Inc.Tapo C520WS v2.6 0 ~ 1.2.4 Build 260326 Rel.24666n -
II. Public POCs for CVE-2026-34122
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III. Intelligence Information for CVE-2026-34122
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