CVE-2026-36738

U-SPEED AC1200 Gigabit Wi-Fi Router Model: T18-21K V1.0 is vulnerable to Incorrect Access Control. The device exposes a UART interface that lacks authentication, authorization, or access control mechanisms. An attacker with physical access to the UART pins can connect to the interface and gain...

CVE-2026-36741

U-SPEED AC1200 Gigabit Wi-Fi Router Model: T18-21K V1.0 is vulnerable to Command Injection. The Network Time Protocol NTP configuration interface does not properly sanitize user-supplied input. An authenticated user with permission to configure NTP settings can inject arbitrary system commands...

PT-2026-40705

Name of the Vulnerable Software and Affected Versions U-SPEED AC1200 Gigabit Wi-Fi Router Model: T18-21K version 1.0 Description The device is subject to incorrect access control because it exposes a UART Universal Asynchronous Receiver-Transmitter, a hardware communication protocol interface tha...

CVE-2026-36738

CVE-2026-36738 affects the U-SPEED AC1200 Gigabit Wi‑Fi Router (Model: T18-21K, V1.0). The UART interface is exposed with no authentication/authorization, allowing a physically present attacker to access device functionality unrestrictedly. Documents do not specify affected firmware versions, exp...