Unrated severityNVD Advisory· Published Jan 10, 2005· Updated Jun 16, 2026
CVE-2004-1109
CVE-2004-1109
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:kerio:personal_firewall:4.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:kerio:personal_firewall:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:kerio:personal_firewall:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:kerio:personal_firewall:4.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:kerio:personal_firewall:4.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:kerio:personal_firewall:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:kerio:personal_firewall:4.1.1:*:*:*:*:*:*:*
- (no CPE)range: <=4.1.1
Patches
Vulnerability mechanics
References
4- www.securityfocus.com/bid/11639nvdExploitPatchVendor Advisory
- www.kerio.com/security_advisory.htmlnvdVendor Advisory
- www.eeye.com/html/research/advisories/AD20041109.htmlnvd
- exchange.xforce.ibmcloud.com/vulnerabilities/17992nvd
News mentions
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