CVE-2026-1408: Beetel 777VR1 UART weak password

Published Jan 25, 2026
·
Updated

A weakness has been identified in Beetel 777VR1 up to 01.00.09/01.00.0955. This vulnerability affects unknown code of the component UART Interface. Executing a manipulation can lead to weak password requirements. The physical device can be targeted for the attack. The attack requires a high level of complexity. It is stated that the exploitability is difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

3 affected components
Beetel Beetel 777VR1<=01.00.09/01.00.09_55
All of the following
Beetel 777vr1 Firmware<=01.00.09_55
Beetel 777VR1

Event History

Jan 25, 2026
CVE Published
via MITRE·11:02 PM
Data Sourced
via MITRE·11:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-1408?

CVE-2026-1408 has been identified as a medium severity vulnerability due to its weak password requirements.

2

How do I fix CVE-2026-1408?

To fix CVE-2026-1408, update the Beetel 777VR1 device to the latest firmware version that addresses this vulnerability.

3

Who is affected by CVE-2026-1408?

CVE-2026-1408 affects users of the Beetel 777VR1 devices running firmware version 01.00.09/01.00.09_55 and earlier.

4

What kind of attack does CVE-2026-1408 enable?

CVE-2026-1408 enables an attacker to exploit weak password requirements through manipulation of the UART interface.

5

What are the common impacts of exploiting CVE-2026-1408?

Exploiting CVE-2026-1408 could lead to unauthorized access to the Beetel 777VR1 device, compromising its security.

Contact

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