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.

Metrics

Attack Vector Physical

Attack Complexity High

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Physical

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Physical

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Local

Access Complexity High

Authentication Multiple

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Beetel
  • 777vr1
  • 777vr1 Firmware

Configuration 1 [-]

AND
cpe:2.3:o:beetel:777vr1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:beetel:777vr1:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://gist.github.com/raghav20232023/ea6adcd6d1eca35683570a1094164bd3 cve-icon cve-icon
https://vuldb.com/?ctiid.342800 cve-icon cve-icon
https://vuldb.com/?id.342800 cve-icon cve-icon
https://vuldb.com/?submit.740674 cve-icon cve-icon
History

Fri, 30 Jan 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Beetel 777vr1 Firmware
CPEs cpe:2.3:h:beetel:777vr1:-:*:*:*:*:*:*:*
cpe:2.3:o:beetel:777vr1_firmware:*:*:*:*:*:*:*:*
Vendors & Products Beetel 777vr1 Firmware

Mon, 26 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 26 Jan 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Beetel
Beetel 777vr1
Vendors & Products Beetel
Beetel 777vr1

Mon, 26 Jan 2026 01:00:00 +0000

Type Values Removed Values Added
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.
Title Beetel 777VR1 UART access control
Weaknesses CWE-266
CWE-284
References
Metrics cvssV2_0

{'score': 5.9, 'vector': 'AV:L/AC:H/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.1, 'vector': 'CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.4, 'vector': 'CVSS:4.0/AV:P/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-01-26T00:32:06.281Z

Updated: 2026-01-26T17:29:02.637Z

Reserved: 2026-01-25T09:43:14.850Z

Link: CVE-2026-1411

cve-icon Vulnrichment

Updated: 2026-01-26T17:28:59.316Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-26T01:15:49.363

Modified: 2026-01-30T20:19:25.920

Link: CVE-2026-1411

cve-icon Redhat

No data.