What’s Vulnerable › Vulnerabilities

CVE-2026-36738

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-05-13 · updated 2026-06-30
• Weakness: CWE-284

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.

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

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