CVE-2023-23906: Seiko-Sol Skybridge Mb-a100 Firmware

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.

Affected products

• Seiko-Sol Skybridge Mb-a100 Firmware: up to and including 4.2.0
• Seiko-Sol Skybridge Mb-a110 Firmware: up to and including 4.2.0

Published 2023-05-10. Last modified 2026-06-17.