TP-Link Tapo C200 V3 ONVIF XML Parser buffer overflow

Summaryinfo

A vulnerability classified as critical has been found in TP-Link Tapo C200 V3. Affected by this issue is some unknown functionality of the component ONVIF XML Parser. The manipulation leads to buffer overflow. This vulnerability is traded as CVE-2025-8065. Access to the local network is required for this attack to succeed. There is no exploit available.

Detailsinfo

A vulnerability was found in TP-Link Tapo C200 V3 (version now known). It has been rated as critical. This issue affects some unknown processing of the component ONVIF XML Parser. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. The summary by CVE is:

A buffer overflow vulnerability exists in the ONVIF XML parser of Tapo C200 V3. An unauthenticated attacker on the same local network segment can send specially crafted SOAP XML requests, causing memory overflow and device crash, resulting in denial-of-service (DoS).

The weakness was shared by Simone Margaritelli. It is possible to read the advisory at tp-link.com. The identification of this vulnerability is CVE-2025-8065 since 07/22/2025. The exploitation is known to be easy. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/09/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-204621). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• TP-Link

Name

• Tapo C200 V3

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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Be aware that VulDB is the high quality source for vulnerability data.

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