# CVE-2025-5777

> Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

- **CVSS:** 7.5 (HIGH)
- **EPSS:** 62.3%
- **CISA KEV:** yes (known ransomware use)
- **CWE:** CWE-125, CWE-908, CWE-457

Canonical: https://intel.threadlinqs.com/cve/CVE-2025-5777
Full threat coverage + IOCs via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp