Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP AFM
Known Affected Versions:
11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3
Fixed In:
12.0.0, 11.5.3
Opened: Mar 16, 2015 Severity: 2-Critical
A Firewall Rule with Src/Dst = ::/0 (or 0::0/0) matches any IPv6 traffic which is correct, but also matches any IPv4 traffic which is incorrect.
IPv4 traffic will match.
Network Firewall Rule with wildcard IPv6 source or destination address ::0 or 0::0/0.
None
A Firewall Rule with Src/Dst = ::/0 (or 0::0/0) no longer incorrectly matches any IPv4 traffic.