CVE-1999-0529

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

A router or firewall forwards packets that claim to come from IANA reserved or private addresses, e.g. 10.x.x.x, 127.x.x.x, 217.x.x.x, etc.

Published 1999-01-01. Last modified 2026-06-16.