VulnerabilityAnalyzed
CVE-2026-36738
U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Incorrect Access Control.
MEDIUM 6.8EPSS 0.30%
Does this matter?
Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.30% probability · 22th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- u-speed/t18-21k firmware
- Source
- cve@mitre.org
References
- https://github.com/N0tMilk/vulnerability-researchThird Party Advisory
- https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36738Exploit, Third Party Advisory
- https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36738Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.