What is CVE-2026-37271?

CVE-2026-37271 is a critical-severity vulnerability in N/a, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-07.

How severe is CVE-2026-37271?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in N/a

CVE-2026-37271

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.

Vulnerability class: Broken Authentication

EPSS: 0.004 (30.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

Frequently asked questions

What is CVE-2026-37271?: CVE-2026-37271 is a critical-severity vulnerability in N/a, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-07.
How severe is CVE-2026-37271?: Critical severity. CVSS v3 base score is 9.8 out of 10.