CVE-2004-1109
Kerio Personal Firewall - Denial of Service
Title source: ruleDescription
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet with a zero length IP Option field.
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by houseofdabus · cdoswindows
https://www.exploit-db.com/exploits/626
References (4)
Scores
EPSS
0.0489
EPSS Percentile
89.6%
Details
Status
published
Products (8)
kerio/personal_firewall
4.0.6
kerio/personal_firewall
4.0.7
kerio/personal_firewall
4.0.8
kerio/personal_firewall
4.0.9
kerio/personal_firewall
4.0.10
kerio/personal_firewall
4.0.16
kerio/personal_firewall
4.1
kerio/personal_firewall
4.1.1
Published
Jan 10, 2005
Tracked Since
Feb 18, 2026