TP-Link Tapo C320WS 2.0 Wi-Fi Configuration password buffer overflow

Summaryinfo

A vulnerability described as very critical has been identified in TP-Link Tapo C320WS 2.0. This affects an unknown part of the component Wi-Fi Configuration. The manipulation of the argument Password results in buffer overflow. This vulnerability is known as CVE-2026-105810. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as very critical, was found in TP-Link Tapo C320WS 2.0. Affected is an unknown code block of the component Wi-Fi Configuration. The manipulation of the argument password with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Tapo C320WS V2.0 contains an authenticated stack-based buffer overflow in the local onboarding Wi-Fi configuration path. An authenticated attacker on the adjacent network can submit a crafted request containing an oversized encrypted password field, overwrite stack state, and execute commands with root privileges. Successful exploitation may allow an authenticated adjacent-network attacker to take control of the affected camera, modify camera behavior, access sensitive local configuration, and disrupt device availability.

The advisory is available at tp-link.com. This vulnerability is traded as CVE-2026-105810 since 10/05/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation requires an enhanced level of successful authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/19/2026).

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• TP-Link

Name

• Tapo C320WS

Version

• 2.0

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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