CVE-2026-1409: A security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. This issue affects some unknown processing of the component UART…

PriorityP422medium4.2CVSS 3.1

AVPACHPRNUINSUCHINAN

EPSS

0.35%

26.7th percentile

A security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. This issue affects some unknown processing of the component UART Interface. The manipulation leads to improper restriction of excessive authentication attempts. It is possible to launch the attack on the physical device. The attack's complexity is rated as high. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
beetel	777vr1	—	—
beetel	777vr1	—	—
beetel	777vr1_firmware	<= 01.00.09_55	—

CVSS provenance

nvdv3.14.2MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv4.00.3LOWCVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvdv2.01.2LOWAV:L/AC:H/Au:N/C:P/I:N/A:N

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