CVE-2026-36738

medium

Description

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 unrestricted access to device functionality.

References

https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36738

https://github.com/N0tMilk/vulnerability-research

Details

Source: Mitre, NVD

Published: 2026-05-13

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 6.8

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

Severity: Medium

EPSS

EPSS: 0.00032