CVE-2026-1408: Beetel 777VR1 UART weak password

Severity: medium (CVSS 4.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-25 · updated 2026-06-17
Weakness: CWE-521

Description

A weakness has been identified in Beetel 777VR1 up to 01.00.09/01.00.09_55. This vulnerability affects unknown code of the component UART Interface. Executing a manipulation can lead to weak password requirements. The physical device can be targeted for the attack. The attack requires a high level of complexity. It is stated that the exploitability is difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Beetel 777VR1: through 01.00.09_55

References

https://gist.github.com/raghav20232023/9c51cbd91f3798b1c10f3f30fb631633
https://vuldb.com/?ctiid.342797
https://vuldb.com/?id.342797
https://vuldb.com/?submit.739384

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