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CVE-2026-105674: Predictable Media Stream Pre-Shared Key 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-330

Description

TP-Link Tapo C325WB V2 generates the pre-shared key used by its local media streaming service with a time-seeded pseudo-random number generator, making the key predictable and recoverable. An unauthenticated attacker on the adjacent network can recover the key and authenticate to the media streaming service without valid user credentials.  Successful exploitation may allow an unauthenticated adjacent-network attacker to access and take over live video and audio streams, compromising the confidentiality and integrity of camera media.

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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