CVE-2026-1411

Beetel 777VR1 UART access control

CVSS 5.4 MEDIUMEPSS 0.2%CWE-266 CWE-284

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.4EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Beetel · 777VR1

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References

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