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777vr1 Firmware CVE-2026-1409

LOW
Improper Restriction of Excessive Authentication Attempts (CWE-307)
2026-01-26 cna@vuldb.com
0.3
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
0.3 LOW
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/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
CVSS changed
Apr 29, 2026 - 01:11 NVD
2.0 (LOW) 0.3 (LOW)
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
PoC Detected
Jan 30, 2026 - 20:27 vuln.today
Public exploit code
CVE Published
Jan 26, 2026 - 00:16 nvd
LOW 2.0

DescriptionCVE.org

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.

AnalysisAI

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 di...

Technical ContextAI

This vulnerability (CWE-307: Improper Restriction of Excessive Authentication Attempts) affects 777Vr1 Firmware. 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 discl

RemediationAI

Monitor vendor advisories for a patch.

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CVE-2026-1409 vulnerability details – vuln.today

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