Re: Broadcom brcm80211 Displays WPA3 as WEP in OpenWRT

On 10/21/2025 2:45 PM, Stephen C Goodman wrote:
> I would like to report a bug concerning the Broadcom bcm4366c0 driver, which affects most brcmfmac PCIe chips.
> Issue Details:
> Chipset: Broadcom bcm4366c0
> Environment: OpenWRT
> Kernel Version: 6.12.54
> mac80211 Version: 6.16 (backports)
> Description: While WPA3 is shown as SAE in OpenWRT LuCI, attempts to connect to the network or using a Wi-Fi analyzer reveal that it is actually operating as WEP. This discrepancy creates confusion and undermines security expectations.
> Steps to Reproduce:
> Use the Broadcom bcm4366c0 in an OpenWRT environment.
> Configure a wireless network with WPA3 security via LuCI.
> Attempt to connect to the network or perform a scan with a Wi-Fi analyzer.
> Observe that it identifies WPA3 as WEP.
> Please let me know if you require any additional information or logs to help diagnose this issue. Thank you for addressing this matter promptly.

Can you get radio info using the iw utility? Also please share the 
contents of /sys/kernel/debug/ieee80211/phy0/features and 
/sys/kernel/debug/ieee80211/phy0/fwcap.

Regards,
Arend