What is CVE-2026-36741?

CVE-2026-36741 is a high-severity vulnerability in U-speed T18-21k, classified under Command Injection. CVSS score: 7.2/10. Published 2026-05-13.

How severe is CVE-2026-36741?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in U-speed T18-21k

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…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.021 (79.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

U-speed T18-21k
U-speed T18-21k_firmware — versions 1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-36741?: CVE-2026-36741 is a high-severity vulnerability in U-speed T18-21k, classified under Command Injection. CVSS score: 7.2/10. Published 2026-05-13.
How severe is CVE-2026-36741?: High severity. CVSS v3 base score is 7.2 out of 10.