Information disclosure in Airth Smart_home_aqi_monitor_bootloader

CVE-2025-67399

An issue in AIRTH SMART HOME AQI MONITOR Bootloader v.1.005 allows a physically proximate attacker to obtain sensitive information via the UART port of the BK7231N controller (Wi-Fi and BLE module) on the device is open to access

Vulnerability class: Information Disclosure

EPSS: 0.002 (4.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-67399?
CVE-2025-67399 is a medium-severity vulnerability in Airth Smart_home_aqi_monitor_bootloader, classified under Information Disclosure. CVSS score: 4.6/10. Published 2026-01-14.
How severe is CVE-2025-67399?
Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2025-67399 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.