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CVE-2025-8065— Remote Code Execution via Stack-based Buffer Overflow in ONVIF SOAP Parser in TP-Link Tapo C200 and C520WS

Quick assessment

Affected
TP-Link Systems Inc. Tapo C200 V3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link Tapo C200是中国普联（TP-Link）公司的一款智能WiFi摄像头。 TP-Link Tapo C200 V3存在安全漏洞，该漏洞源于ONVIF XML解析器存在缓冲区溢出，可能导致拒绝服务攻击。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.52% · P42
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I. Basic Information for CVE-2025-8065

Vulnerability Information
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Vulnerability Title
Remote Code Execution via Stack-based Buffer Overflow in ONVIF SOAP Parser in TP-Link Tapo C200 and C520WS
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability was identified in the ONVIF SOAP XML Parser in Tapo C200 v3 and C520WS v2.6. When processing XML tags with namespace prefixes, the parser fails to validate the prefix length before copying it to a fixed-size stack buffer. It allowed a crafted SOAP request with an oversized namespace prefix to cause memory corruption in stack. An unauthenticated attacker on the same local network may exploit this flaw to enable remote code execution with elevated privileges, leading to full compromise of the device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Tapo C200 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Tapo C200是中国普联（TP-Link）公司的一款智能WiFi摄像头。 TP-Link Tapo C200 V3存在安全漏洞，该漏洞源于ONVIF XML解析器存在缓冲区溢出，可能导致拒绝服务攻击。
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

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. Tapo C200 V3 0 ~ V3_1.4.5 Build 251104 -
TP-Link Systems Inc. Tapo C520WS v2.6 0 ~ 1.2.4 Build 260326 Rel.24666n -

II. Public POCs for CVE-2025-8065

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III. Intelligence Information for CVE-2025-8065

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Other References for CVE-2025-8065 (1)

Same Patch Batch · TP-Link Systems Inc. · 2025-12-20 · 3 CVEs total

CVE-2025-14300 8.7 HIGH Unauthenticated Access to connectAP API Endpoint on Tapo C100, C200 & C425
CVE-2025-14299 Improper Content-Length Validation in HTTPS Requests on Tapo C200

IV. Related Vulnerabilities

Same product: Tapo C200 V3
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-121

V. Comments for CVE-2025-8065

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