CVE-2023-25188: Nokia Asika Airscale Firmware

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

An issue was discovered on NOKIA Airscale ASIKA Single RAN devices before 21B. If/when CSP (as a BTS administrator) removes security hardenings from the Nokia Single RAN BTS baseband unit, the BTS baseband unit diagnostic tool AaShell (which is by default disabled) allows unauthenticated access from the mobile network solution internal BTS management network to the BTS embedded Linux operating-system level.

Affected products

• Nokia Asika Airscale Firmware: version 19b only; version 20a only; version 20b only; version 20c only; version 21a only

Published 2023-06-16. Last modified 2026-06-17.