Enterprise Wi-Fi Access Point – Release 4.2.3.3 Now Available

Products Enterprise Wi-Fi Networks
1

We’re pleased to announce the availability of Enterprise Wi-Fi Access Point Release 4.2.3.3 — a software update focused on enhanced reliability, strengthened regulatory compliance across the Cambium Wi-Fi 5 portfolio.

Key Highlights

  • Security & Compliance Enhancements:
    • SHA1 HMAC algorithm is disabled for SSH
    • CVE-2018-19052, CVE-2019-11072 are addressed.
    • OpenSSL is updated as per OpenSSL Releases Security Advisory.
    • Additional ICMP/ARP logging to meet EU RED (EN 18031) requirements.

Fixed Issues

  • Switches were learning client packets on native VLAN with Layer2 Unicast frames.
  • SSID with certain special characters on cnMaestro Captive Portal were causing invalid signatures.
  • Auto-RF power was triggered even when static channel was configured.
  • The Auto-RF Dynamic Channel hold time configured in the cnMaestro UI was not applied to the AP configuration.
  • service radio iwpriv CLI command is now persistent even after an AP restarts.
  • WLAN supports a maximum client limit based on the cumulative number of clients across all radios.
  • Layer2 broadcast frames that are generated by the AP are now blocked.
  • AP upgrade failed when required memory was not available.

Known Issues

Tracking ID Platform Description Workaround
FLCN-19011 All Events are not generated for successful login attempts. Users are also not locked after a configured number of failed attempts. None
FLCN-12136 e410 Unable to override passphrase of SSID when SSID contains special characters when created at group level (for example, dot (.)). None
FLCN-11072 All Client connection issues when XWF traffic class URL length exceeds 64. None
FLCN-11024 All Client association fails if WLAN is configured with RADIUS ePSK and 11r. None

Limitations

Tracking Product Description / Workaround
FLCN-9584 e410b Recommended minimum transmit power:
  • 2.4GHz: 9dBm
  • 5GHz: 12dBm
FLCN-6464 e425/e505 The Autopilot feature is not supported.

Availability

Release 4.2.3.3 is now available for download on the :link: Cambium Support Portal.

Please review the release notes for platform-specific details, upgrade paths, and known issues before deployment.

:speech_balloon: Your Feedback Matters

We encourage customers and partners to share observations, deployment results, or suggestions in this thread.

Your feedback helps us drive continual improvement across the Cambium Enterprise Wi-Fi portfolio.

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