CVE-2026-1411

MEDIUM

Beetel 777VR1 Firmware < 01.00.09_55 - Incorrect Privilege Assignment via UART Interface

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.342800
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.342800
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.740674
Exploit, Mitigation, Third Party Advisory exploit
https://gist.github.com/raghav20232023/ea6adcd6d1eca35683570a1094164bd3

Scores

CVSS v3 6.1
EPSS 0.0019
EPSS Percentile 8.7%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-266 CWE-284
Status published
Products (1)
beetel/777vr1_firmware < 01.00.09_55
Published Jan 26, 2026
Tracked Since Feb 18, 2026