CVE-2026-1409

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.

At a glance

Exploitability

Can be exploited with physical access without logging in. Limited direct impact.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-01-26 00:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 10:15 UTC Last updatedMost recent change to the record

Details

Published

2026-01-26 00:16 UTC

Last modified

2026-06-17 10:15 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-307

Record status

Analyzed

Affected

• Beetel 777vr1 Firmware ≤ 01.00.09_55

Attack profile CVSS 4.0 · 0.3

Attack vector

Physical

Complexity

High

Attack requirements

None

Privileges needed

None

User interaction

None

Confidentiality

Low

Integrity

None

Availability

None