CVE-2026-1408

CVE-2026-1408 is a low-severity vulnerability in Beetel 777vr1 Firmware with a CVSS 3.x base score of 2.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-521.

Key facts

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.

Frequently asked questions

What is CVE-2026-1408?
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.
How severe is CVE-2026-1408?
CVE-2026-1408 has a CVSS 3.x base score of 2.0, rated low severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-1408 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1408?
CVE-2026-1408 affects Beetel 777vr1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1408?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1408 have an EU (EUVD) identifier?
Yes. CVE-2026-1408 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4682.
When was CVE-2026-1408 published?
CVE-2026-1408 was published on 2026-01-25 and last updated on 2026-06-17.

References

Affected products (1)

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