CVE-2026-36741

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-13 · updated 2026-06-30
Weakness: CWE-77

Description

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.

Affected products

U-Speed T18-21K Firmware: 1.0

References

https://github.com/N0tMilk/vulnerability-research
https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36741
https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36741

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