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Vulnerability record · CVE-2026-37271 · published 7 July 2026

CVE-2026-37271: Improper authentication vulnerability

Fire-Boltt Smartwatch FB BGS001 Firmware: MOY-JS14-2.0.4 is vulnerable to Improper Authentication, The device accepts GATT Write Request commands without sufficient authentication or strong session validation. Under specific conditions, previously captured BLE packets can be replayed from a nearby device to trigger functionality on the smartwatch.

9.8 CVSS 3.1 Critical EPSS 0.64% · top 51.3% CWE-287 · Improper authentication Deferred
9.8CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
10 Jul 2026Last modified by NVD

Description

Fire-Boltt Smartwatch FB BGS001 Firmware: MOY-JS14-2.0.4 is vulnerable to Improper Authentication, The device accepts GATT Write Request commands without sufficient authentication or strong session validation. Under specific conditions, previously captured BLE packets can be replayed from a nearby device to trigger functionality on the smartwatch.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://github.com/EmbdCDACHyd/CVE/blob/main/CVE-2026-37271/CVE-2026-37271.pdf
https://github.com/EmbdCDACHyd/CVE/tree/main/CVE-2026-37271

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Source: NIST National Vulnerability Database (record CVE-2026-37271), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.