Network-Vulnerability on Netacoding | Cybersecurity, Assembly & Network Research https://netacoding.com/tags/network-vulnerability/ Recent content in Network-Vulnerability on Netacoding | Cybersecurity, Assembly & Network Research Netacoding | Cybersecurity, Assembly & Network Research https://netacoding.com/img/logo-netacoding.png https://netacoding.com/img/logo-netacoding.png Hugo en-us Sun, 07 Jun 2026 00:00:00 +0000 CWE-290 Layer 3: IP Source Spoofing via Missing uRPF | Smurf Amplification, ICMP Leak & Pre-Auth Reflection in ArubaOS https://netacoding.com/posts/cwe-290/ Sun, 07 Jun 2026 00:00:00 +0000 https://netacoding.com/posts/cwe-290/ uRPF absence (CWE-290) at Layer 3 unconditionally trusts IP source addresses — enabling Smurf amplification, ICMP Timestamp information leaks, and pre-auth reflection attacks with no authentication required. Confirmed in ArubaOS AOS-8 (Build 95415). Covers RFC 3704 strict/loose uRPF, asymmetric routing deployment gap, Scapy PoC, Suricata detection rules, and Linux/Cisco mitigation.