CVE-2019-25254: CSRF in KYOCERA Net Admin 3.4.0906

The primary impact of CVE-2019-25254 is the ability for an attacker to create new administrative accounts on a vulnerable KYOCERA Net Admin system. This can be achieved by crafting malicious web pages that automatically submit forms with predefined credentials when a legitimate, logged-in user visits the page. Successful exploitation grants the attacker full administrative privileges, enabling them to modify configurations, access sensitive data, and potentially compromise the entire network. The blast radius extends to any systems accessible through the compromised network device, and the lack of validation makes this vulnerability particularly dangerous.

1. Reserved2025-12-24
2. Published2025-12-24
3. Modified2026-04-07
4. EPSS updated2026-03-23

The recommended mitigation for CVE-2019-25254 is to upgrade KYOCERA Net Admin to a patched version as soon as it becomes available. If an immediate upgrade is not possible, implement a Web Application Firewall (WAF) with CSRF protection rules to filter malicious requests. Additionally, enforce strong password policies and multi-factor authentication for all administrative accounts to limit the impact of a successful attack. Regularly review access logs for suspicious activity and consider implementing stricter input validation on administrative forms.