CVE-2026-1407 Beetel 777VR1 UART information disclosure

Low 1.0 Published Updated

An attacker with physical access can exploit the UART interface to disclose sensitive information from the device.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-1407?

CVE-2026-1407 is a low-severity vulnerability in Beetel 777VR1, published on 25 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security flaw has been discovered in Beetel 777VR1 up to 01.00.09/01.00.09_55. This affects an unknown part of the component UART Interface. Performing a manipulation results in information disclosure. The attack may be carried out on the physical device. The attack is considered to have high complexity. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-284, CWE-200

Which versions are affected by CVE-2026-1407?

It affects 1 product.

Products include Beetel 777vr1 Firmware.

How do I fix CVE-2026-1407?

No fix has been published for CVE-2026-1407 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-1407 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1407 exists.

Sources

Also known as GHSA-rrhf-4q99-f3q3.

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