CVE-2025-56557

An issue discovered in the Tuya Smart Life App 5.6.1 allows attackers to unprivileged control Matter devices via the Matter protocol

Critical · published September 16, 2025

CVSS v3.1
9.1
EPSS
0%
Percentile
22.8
In the wild
Unconfirmed
What it is

🔥 A serious flaw in the Tuya Smart Life App 5.6.1 lets attackers control your Matter devices without proper permissions! Think of this like a hotel guest who somehow gets a master key and can stroll into any room, no questions asked. They could tamper with guests' belongings or disrupt services, all because of a missing security check at the front desk! An attacker could take unprivileged control of your Matter devices, allowing them to manipulate settings or data as if they were the legitimate owner. This could lead to unauthorized access to sensitive information and make your smart home vulnerable to further attacks. The ramifications could be devastating, especially if attackers adjust security systems or disrupt essential services!

Put simply

Think of this like a hotel guest who somehow gets a master key and can stroll into any room, no questions asked. They could tamper with guests' belongings or disrupt services, all because of a missing security check at the front desk! This vulnerability allows attackers to send unauthorized commands to Matter devices connected through the Tuya Smart Life App, bypassing necessary authentication checks in the Matter protocol.

What to do

An attacker could take unprivileged control of your Matter devices, allowing them to manipulate settings or data as if they were the legitimate owner. This could lead to unauthorized access to sensitive information and make your smart home vulnerable to further attacks. The ramifications could be devastating, especially if attackers adjust security systems or disrupt essential services! Update the Tuya Smart Life App to the latest version immediately to patch this vulnerability. Additionally, review your Matter device settings to ensure that proper authentication measures are in place. Stay vigilant and monitor any unusual activities on your smart devices. You've got this! Act now to secure your smart home and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00312 · 22.8th percentile
Published
2025-09-16T00:00Z
EPSS history
Timeline
  • 16 SEP 00:00Z
    An issue discovered in the Tuya Smart Life App 5.6.1 allows attackers to unprivileged control Matter devices via the Matter protocol
    cvelistv5