CVE-2026-1409CWE-307CWE-799

Beetel 777VR1 UART excessive authentication

Low · published January 25, 2026

CVSS v4.0
1.0
EPSS
0%
Percentile
30.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
1.0 · 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
EPSS
0.00378 · 30.6th percentile
Weaknesses
CWE-307 · Improper Restriction of Excessive Authentication Attempts; CWE-799 · Improper Control of Interaction Frequency
Published
2026-01-25T23:32Z
EPSS history
Timeline
  • 25 JAN 23:32Z
    Beetel 777VR1 UART excessive authentication
    cvelistv5