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 through crafted input fields. These commands are executed with elevated privileges, leading to potential full system compromise.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/N0tMilk/vulnerability-research	Third Party Advisory
https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36741	Exploit Third Party Advisory
https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36741	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:u-speed:t18-21k_firmware:1.0:*:*:*:*:*:*:*

cpe:2.3:h:u-speed:t18-21k:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-13 16:16

Updated : 2026-06-30 15:56

NVD link : CVE-2026-36741

Mitre link : CVE-2026-36741

CVE.ORG link : CVE-2026-36741

JSON object : View

Products Affected

u-speed

t18-21k_firmware
t18-21k

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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