CVE-2026-1407: Beetel 777VR1 UART information disclosure

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-200

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.

Affected products

Beetel 777VR1: through 01.00.09_55

References

https://gist.github.com/raghav20232023/253c041842f622d9c2cb6ee4111c2227
https://vuldb.com/?ctiid.342796
https://vuldb.com/?id.342796
https://vuldb.com/?submit.736322

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