CVE-2026-76784 Weak cryptography in EP10
Adjacent attackers can intercept or forge local control messages to manipulate device states or cause denial of service due to weak cryptographic protections.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76784?
CVE-2026-76784 is a high-severity vulnerability in TP-Link Systems Inc. EP10, published on 26 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-325
Which versions are affected by CVE-2026-76784?
How do I fix CVE-2026-76784?
No fix has been published for CVE-2026-76784 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76784 being exploited?
There is no known exploitation of CVE-2026-76784 in the wild and no public exploit code.
Sources
Also known as GHSA-pfwg-rgvf-86xw.