CVE-2026-1409

LOW 2.0

Beetel 777VR1 UART excessive authentication

CVSS Score

2.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-307 CWE-799
Vendor	beetel
Product	777vr1
Published	Jan 25, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Beetel / 777VR1

01.00.09 01.00.09_55

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.342798 vuldb.com: https://vuldb.com/?ctiid.342798 vuldb.com: https://vuldb.com/?submit.739399 gist.github.com: https://gist.github.com/raghav20232023/19900b427445adf37f64ae953611bfce

Credits

🔍 raghav_2026 (VulDB User)