After some tries I managed to solve the issue by deleting the entry for my network from kwallet. Deleting the password was not enough. Then I used knetworkmanager to connect to my network and kwallet furtheron remembered the correct key.
-- wpa psk key not updated in kwallet after changing it https://bugs.launchpad.net/bugs/83456 You received this bug notification because you are a member of Kubuntu Team, which is a bug contact for knetworkmanager in ubuntu. -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs