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

Quick assessment

Affected
Beetel 777VR1
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Beetel 777VR1是Beetel公司的一款路由器。 Beetel 777VR1 01.00.09/01.00.09_55及之前版本存在访问控制错误漏洞，该漏洞源于UART接口访问控制不当，可能导致物理设备攻击。

CVSS 6.1 · Medium EPSS 0.22% · P11
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I. Basic Information for CVE-2026-1411

Vulnerability Information
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Vulnerability Title
Beetel 777VR1 UART access control
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Beetel 777VR1 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Beetel 777VR1是Beetel公司的一款路由器。 Beetel 777VR1 01.00.09/01.00.09_55及之前版本存在访问控制错误漏洞，该漏洞源于UART接口访问控制不当，可能导致物理设备攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Beetel 777VR1 01.00.09 -

II. Public POCs for CVE-2026-1411

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III. Intelligence Information for CVE-2026-1411

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Vendor Advisories for CVE-2026-1411 (1)

Proof of Concept for CVE-2026-1411 (1)

IV. Related Vulnerabilities

Same product: 777VR1
Same vendor: Beetel
Same weakness: CWE-284

V. Comments for CVE-2026-1411

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