# CVE-2026-76784

## Summary

- **CVE ID:** CVE-2026-76784
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-325
- **Published:** Aug 26, 2026
- **Last Modified:** Aug 26, 2026

## Description

Multiple
TP-Link Kasa smart home devices contain insufficient cryptographic protections
in the local device communication protocol. An adjacent network attacker may
intercept, replay or forge locally exchanged control messages, potentially
resulting in unauthorized device control. 









Successful
exploitation could allow an attacker to manipulate the operational state of an
affected device, resulting in unauthorized state changes, disruption of normal
device functionality or a denial-of-service condition.

## Affected Products

- TP-Link Systems Inc. — HS103P3 / HS103P4 v5 (0)
- TP-Link Systems Inc. — EP10 (0)
- TP-Link Systems Inc. — EP25 V2 (0)
- TP-Link Systems Inc. — HS300 V2 (0)
- TP-Link Systems Inc. — KP303 V2 (0)
- TP-Link Systems Inc. — EP40A (0)
- TP-Link Systems Inc. — KP125MP2 / KP125MP4 (0)
- TP-Link Systems Inc. — KP115 (0)
- TP-Link Systems Inc. — KS225 (0)
- TP-Link Systems Inc. — EP40M (0)
- TP-Link Systems Inc. — KS205 (0)
- TP-Link Systems Inc. — KS240 (0)
- TP-Link Systems Inc. — ES20M (0)
- TP-Link Systems Inc. — KS220M (0)
- TP-Link Systems Inc. — KP200 V3 (0)
- TP-Link Systems Inc. — HS200 V5.26 (0)
- TP-Link Systems Inc. — HS220-LA(US) 6.6 / HS220-BL(US) 6.6 (0)
- TP-Link Systems Inc. — HS220 V3.26 (0)
- TP-Link Systems Inc. — HS220-LA(US) 4.6 / HS220-BL(US) 4.6 (0)
- TP-Link Systems Inc. — KL125 (0)

## References

- [CNA](https://www.tp-link.com/us/support/download/)
- [CNA](https://www.tp-link.com/en/support/download/)
- [CNA](https://www.tp-link.com/in/support/download/)
- [CNA](https://www.tp-link.com/us/support/faq/5267/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.15%
- **EPSS Percentile:** 4.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._