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CVE-2026-105672: Unauthenticated JSON API Authorization Bypass Vulnerability in TP-Link Tapo C325WB

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-08 · updated 2026-10-15
• Weakness: CWE-287

Description

TP-Link Tapo C325WB V2 contains an unauthenticated authorization bypass vulnerability in the HTTPS JSON API dispatcher on TCP port 443. An attacker on the adjacent network can append an onboarding-scoped object to a JSON request to bypass session verification and invoke privileged actions without authentication.  Successful exploitation may allow an unauthenticated adjacent-network attacker to access live video and audio, modify device settings, and obtain sensitive device information or secrets.

Affected products

• TP-Link Systems Inc. Tapo C325WB v2: before V2_1.3.3 Build 260914 — fixed in V2_1.3.3 Build 260914

How to fix

Upgrade to a fixed version: TP-Link Systems Inc. Tapo C325WB v2 V2_1.3.3 Build 260914. Check the vendor advisory for mitigations.

References

• https://www.tp-link.com/en/support/download/tapo-c325wb/#Firmware-Release-Notes
• https://www.tp-link.com/us/support/download/tapo-c325wb/#Firmware-Release-Notes
• https://www.tp-link.com/us/support/faq/5333/

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