On 2025 May 7 16:00 GMT, Cisco issued a security advisory regarding a critical vulnerability (CVE-2025-20188: CVSS 3.1 base score of 10.0, CVSS 4.0 pending) affecting both software and hardware appliances using the Cisco IOS XE software for Wireless LAN Controllers (WLCs).
https://www.axonius.com/blog/cve-2025-20188