CVE-2026-1411 MEDIUM

CVE-2026-1411: Beetel 777VR1 UART access control

Vendor Beetel
Product 777VR1
Weakness CWE-284
Published January 26, 2026
Last update February 23, 2026

CVSS base score

5.4/10
Attack vector Physical
Attack complexity High
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:P/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in Beetel 777VR1 up to 01.00.09/01.00.09_55. The affected element is an unknown function of the component UART Interface. This manipulation causes improper access controls. It is feasible to perform the attack on the physical device. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

January 26, 2026 CVE published
February 23, 2026 Record updated