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CVE-2026-79589 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: CISA-ADPCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/milkinit/cve-disclosures/tree/main/IoT/CVE-2026-79589	[email protected]	ExploitRemedyTechnical Description
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	[email protected]	ProductVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-306	Missing Authentication for Critical Function	CISA-ADP

Affected Products

Product	Versions
U-speed N300 T1 Pro	1.0.0 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Workaround:low effort Disable the UART ports entirely.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 3, 2026	CVE Modified	CISA-ADP
Oct 29, 2026	New CVE Received	[email protected]