CVE-2025-20188: Critical Cisco IOS XE Vulnerability Explained

CVE-2025-20188: Critical Cisco IOS XE Vulnerability Explained Introduction Cybersecurity vulnerabilities continue to pose serious risks to organizations worldwide, and recently, CVE-2025-20188 has been identified as a severe flaw impacting Cisco IOS XE Wireless Controllers . This vulnerability, rated 10.0 on the CVSS scale , allows unauthenticated remote attackers to gain root-level access to affected systems. Security teams and IT professionals need to understand the nature of this exploit, the affected devices, and the necessary steps to mitigate potential attacks. Vulnerability Details CVE-2025-20188 is caused by the presence of a hard-coded JSON Web Token (JWT) within the affected software. Attackers can exploit this by sending crafted HTTPS requests to the AP image download interface , bypassing authentication and executing malicious commands. The key risks associated with this vulnerability include: - Unauthorized file uploads - Path traversal attacks - Re...