Public vulnerability disclosure

CVE-2026-79589

CVE-2026-79589

publishedCWE-306

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.

Technical severity9.8 criticalCVSS 3.1 · ADP: CISA-ADP
Published2026-10-29Source updated 2026-11-03
Collected2026-11-032 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
n/a
n/a
Version not specified (affected) CNA: mitre

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 9.8
critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HADP: CISA-ADP

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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