CVE-2023-25186: Nokia Asika Airscale Firmware

Low severity, CVSS 2.8. EPSS: 0.2% 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 a Nokia Single RAN BTS baseband unit, a directory path traversal in the Nokia BTS baseband unit diagnostic tool AaShell (which is by default disabled) provides access to the BTS baseband unit internal filesystem from the mobile network solution internal BTS management network.

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.