Cyberdudebivash

          CISCO IOS XE CRISIS: Critical Privilege Escalation Flaw (CVE-2023-20198) Grants Full Admin Access via Web UI     By CyberDudeBivash • September 30, 2025, 09:07 AM IST • Critical Threat Advisory   A zero-day vulnerability in the very fabric of the internet's infrastructure, Cisco's IOS XE software, is under active attack. The critical flaw, **CVE-2023-20198**, allows a remote, unauthenticated attacker to create a full-privilege administrator account on any vulnerable router or switch simply by sending a request to its Web UI. This is a complete takeover scenario for core network infrastructure. Threat actors have been exploiting this to not only gain control but also to deploy a persistent malicious implant using a second zero-day (CVE-2023-20273). Exposing a management interface to the internet is a cardinal sin of network security, and this crisis is the consequence. Immediate action is required to disable this attack vector and...