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.
https://www.cve.org/CVERecord?id=CVE-1999-0529
Source: Mitre, NVD
Published: 1999-01-01
Updated: 2026-06-16
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.00489