CVE-2022-0138: Airspan a5x Firmware

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

MMP: All versions prior to v1.0.3, PTP C-series: Device versions prior to v2.8.6.1, and PTMP C-series and A5x: Device versions prior to v2.5.4.1 has a deserialization function that does not validate or check the data, allowing arbitrary classes to be created.

Affected products

• Airspan a5x Firmware: before 2.5.4.1 (fixed in 2.5.4.1)
• Airspan c5c Firmware: before 2.8.6.1 (fixed in 2.8.6.1)
• Airspan c5x Firmware: before 2.8.6.1 (fixed in 2.8.6.1)
• Airspan c6x Firmware: before 2.8.6.1 (fixed in 2.8.6.1)
• Airspan Mimosa Management Platform: before 1.0.3 (fixed in 1.0.3)

Published 2022-02-18. Last modified 2026-06-17.