How severe is CVE-2026-1409?

CVE-2026-1409 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-2026-1409 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1409?

CVE-2026-1409 affects Beetel 777vr1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1409?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1409 have an EU (EUVD) identifier?

Yes. CVE-2026-1409 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4683.

When was CVE-2026-1409 published?

CVE-2026-1409 was published on 2026-01-26 and last updated on 2026-06-17.

CVE-2026-1409

CVE-2026-1409 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-307.

Key facts

Severity: Low (CVSS 3.x base score 2.0)
CVSS v2: 1.2
CVSS v4: 0.3
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4683
Weakness: CWE-307
Affected product: Beetel 777vr1 Firmware
Published: 2026-01-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-1409?: 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.
How severe is CVE-2026-1409?: CVE-2026-1409 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-2026-1409 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1409?: CVE-2026-1409 affects Beetel 777vr1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1409?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1409 have an EU (EUVD) identifier?: Yes. CVE-2026-1409 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4683.
When was CVE-2026-1409 published?: CVE-2026-1409 was published on 2026-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:beetel:777vr1_firmware:*:*:*:*:*:*:*:*

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