Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-1409

Severity CVSS v4.0:
LOW
Type:
Unavailable / Other
Publication date:
26/01/2026
Last modified:
26/01/2026

Description

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.

Impact

Vector 4.0
CVSS: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 CVSS v4.0 Severity and Metrics:

Base Score: 1.00 LOW
Vector: CVSS: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

Attack Vector (AV): Physical
Attack Complexity (AC): High
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): Low
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Exploit Maturity (E): POC

Base Score 4.0
1.00
Severity 4.0
LOW
Vector 3.x
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 2.00 LOW
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Physical
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
2.00
Severity 3.x
LOW
Vector 2.0
AV:L/AC:H/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 1.20 LOW
Vector: AV:L/AC:H/Au:N/C:P/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
1.20
Severity 2.0
LOW

References to Advisories, Solutions, and Tools