Cisco tells Webex users to patch critical security flaws immediately, as experts find its Wi-Fi boxes may be filling their disks with undeletable data every day

Digital data lock on screen.

• Cisco patches four critical flaws in Webex Services, including SSO and Identity Services Engine RCE bugs
• No exploitation reported before fixes; users must update SAML certificates in Control Hub
• Separate IOS XE bug causes Wi‑Fi access points to bloat logs and fail updates, affecting 230+ models

Cisco has pushed a new patch to address four critical-severity vulnerabilities plaguing its cloud-based Webex Services platform - and has also warned Wi-Fi access points users of a bug in certain versions of IOS XE that could result in a device bootloop.