CVE-2026-79589
Critical
Description
The WIFI4 N300 router (Model: T1 Pro) v1.0.0 by U-speed contains an insecure access control flaw that allows an attacker to gain unauthenticated root shell. The vulnerability is caused by the exposure of the UART debugging interface having a lack of authentication, authorization and access control functionality. Once the interface is soldered and connected to the attacker, they gain root privilege to the system.
SeverityCritical
CVSS9.8
Exploit probability—
ProductWIFI4 N300 router (Model: T1 Pro)
PublishedOct 29, 2026
First seenNov 4, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| U-speed WIFI4 N300 router (Model: T1 Pro) | 1.0.0 | — |
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