CVE-2026-79589

EUVD-2026-112934
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
References
https://github.com/milkinit/cve-disclosures/tree/main/IoT/CVE-2026-79589
https://www.u-speed.com.cn/en/product_details?production=N300&production_miaoshu=1%E6%89%9816%E4%B8%BB%E5%85%89%E7%8C%AB%2C%E4%BC%81%E4%B8%9A%E5%85%A8%E5%85%89%E4%B8%A4%E5%8D%83%E5%85%86%E6%8E%A5%E5%85%A5