CVE-2022-21196: Airspan a5x Firmware

Critical severity, CVSS 9.8. EPSS: 3.7% 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 does not perform proper authorization and authentication checks on multiple API routes. An attacker may gain access to these API routes and achieve remote code execution, create a denial-of-service condition, and obtain sensitive information.

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.