Vulnerability intelligence

CVE-2026-76784

TP-Link Systems Inc. HS103P3 / HS103P4 v5 CWE-325

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.

CVSS Score

8.7

High

EPSS — Exploit Probability

0.2%

Riskier than 9% of all CVEs · checked 2026-10-10

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

Patch available

Vendor fix published