CVE-2026-1409: Beetel 777VR1 UART excessive authentication
A security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.0955. 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-1409?
CVE-2026-1409 has a high severity rating due to its potential for excessive authentication attempts, which can lead to unauthorized access.
How do I fix CVE-2026-1409?
To fix CVE-2026-1409, update the Beetel 777VR1 firmware to the latest version that addresses this vulnerability.
What are the risks associated with CVE-2026-1409?
The risks associated with CVE-2026-1409 include unauthorized access and potential exploitation due to inadequate authentication mechanisms.
Which devices are affected by CVE-2026-1409?
The Beetel 777VR1 devices running firmware versions up to 01.00.09/01.00.09_55 are affected by CVE-2026-1409.
Can CVE-2026-1409 be exploited remotely?
Yes, CVE-2026-1409 can be exploited remotely, allowing attackers to perform excessive authentication attempts from outside the network.