Critical (10.0) in adcon a840 telemetry gateway base station firmware. EPSS 2.5% chance of exploitation in the next 30 days.
Adcon Telemetry A840 Telemetry Gateway Base Station has hardcoded credentials, which allows remote attackers to obtain administrative access via unspecified vectors.
Severity
CVSS 3.0
10.0 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)