CVE-2026-1407: Beetel 777vr1 Firmware

Medium severity, CVSS 4.2. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Beetel 777vr1 Firmware: up to and including 01.00.09_55

Published 2026-01-25. Last modified 2026-06-17.