CVE-2026-36741

7.2 highEPSS 2.1%

High (7.2) in u-speed t18-21k firmware. EPSS 2.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2026-05-13
Modified: 2026-06-30
Record from: the NVD, synced 2026-10-19

Affected

u-speed:t18-21k_firmware

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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