CVE-2026-1411: Beetel 777VR1 UART access control

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-26 · updated 2026-06-17
Weakness: CWE-266

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.

Affected products

Beetel 777VR1: through 01.00.09_55

References

https://gist.github.com/raghav20232023/ea6adcd6d1eca35683570a1094164bd3
https://vuldb.com/?ctiid.342800
https://vuldb.com/?id.342800
https://vuldb.com/?submit.740674

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